Pass `hosted_surface` correctly across surfaces.

[carlosmuvi-stripe]

Summary

We're not properly handling hosted surfaces across Connections integrations:

• L1 (direct integrations): hosted surface should be null
• PaymentSheet: hosted surface should be payment_element
• CustomerSheet: hosted surface will be customer_sheet.

This PR allows CollectBankAccountLauncher internal implementations to receive a hosted surface. That surface will be sent when calling the create LAS endpoint. Public L1 integrations will not expose this parameter, that will instead be null.

Motivation

:notebook_with_decorative_cover:  [🧵] Update ACH payment flow to pass hosted_surface during deferred intent session creation :globe_with_meridians:  BANKCON-11012

Make sure that on ACH / ID flows:

• On L1 surfaces (collectBankAccountFor... publicly exposed entry points):
  • We don't send hosted_surface when creating the FCsession
• On L3 surfaces (currently just MPE)
  • We send hosted_surface = payment_element

Testing

• [ ] Added tests
• [ ] Modified tests
• [X] Manually verified

Screenshots

From customer sheet:

From payment sheet:

Changelog

[github-actions[bot]]

Diffuse output:

OLD: paymentsheet-example-release-master.apk (signature: V1, V2)
NEW: paymentsheet-example-release-pr.apk (signature: V1, V2)

          │            compressed            │           uncompressed           
          ├───────────┬───────────┬──────────┼───────────┬───────────┬──────────
 APK      │ old       │ new       │ diff     │ old       │ new       │ diff     
──────────┼───────────┼───────────┼──────────┼───────────┼───────────┼──────────
      dex │     4 MiB │     4 MiB │   +475 B │   8.7 MiB │   8.7 MiB │ +1.7 KiB 
     arsc │   2.3 MiB │   2.3 MiB │      0 B │   2.3 MiB │   2.3 MiB │      0 B 
 manifest │   5.1 KiB │   5.1 KiB │      0 B │  25.6 KiB │  25.6 KiB │      0 B 
      res │ 918.5 KiB │ 918.5 KiB │      0 B │   1.5 MiB │   1.5 MiB │      0 B 
   native │   2.6 MiB │   2.6 MiB │      0 B │     6 MiB │     6 MiB │      0 B 
    asset │   2.9 MiB │   2.9 MiB │ +1.4 KiB │   2.9 MiB │   2.9 MiB │ +1.4 KiB 
    other │   195 KiB │   195 KiB │     -2 B │ 428.4 KiB │ 428.4 KiB │      0 B 
──────────┼───────────┼───────────┼──────────┼───────────┼───────────┼──────────
    total │  12.8 MiB │  12.8 MiB │ +1.9 KiB │  21.8 MiB │  21.8 MiB │   +3 KiB 

 DEX     │ old   │ new   │ diff          
─────────┼───────┼───────┼───────────────
   files │     1 │     1 │   0           
 strings │ 43585 │ 43589 │  +4 (+7 -3)   
   types │ 14988 │ 14990 │  +2 (+2 -0)   
 classes │ 12670 │ 12672 │  +2 (+2 -0)   
 methods │ 62032 │ 62038 │  +6 (+40 -34) 
  fields │ 40957 │ 40970 │ +13 (+24 -11) 

 ARSC    │ old  │ new  │ diff 
─────────┼──────┼──────┼──────
 configs │  242 │  242 │  0   
 entries │ 6043 │ 6043 │  0

APK

     compressed      │     uncompressed     │                               
──────────┬──────────┼───────────┬──────────┤                               
 size     │ diff     │ size      │ diff     │ path                          
──────────┼──────────┼───────────┼──────────┼───────────────────────────────
  7.4 KiB │ +1.4 KiB │   7.2 KiB │ +1.4 KiB │ ∆ assets/dexopt/baseline.prof 
    4 MiB │   +475 B │   8.7 MiB │ +1.7 KiB │ ∆ classes.dex                 
 52.9 KiB │     -7 B │ 117.2 KiB │      0 B │ ∆ META-INF/CERT.SF            
  1.2 KiB │     +5 B │   1.2 KiB │      0 B │ ∆ META-INF/CERT.RSA           
──────────┼──────────┼───────────┼──────────┼───────────────────────────────
    4 MiB │ +1.9 KiB │   8.9 MiB │   +3 KiB │ (total)

DEX

STRINGS:

   old   │ new   │ diff       
  ───────┼───────┼────────────
   43585 │ 43589 │ +4 (+7 -3) 
  
  + , hostedSurface=
  + Lv6/f;
  + Lv6/g;
  + VZLZZZLLLLLL
  + VZLZZZLLLLLLLLLLL
  + hostedSurface
  + ~~R8{backend:dex,compilation-mode:release,has-checksums:false,min-api:21,pg-map-id:82244ec,r8-mode:full,version:8.3.37}
  
  - VZLZZZLLLLL
  - VZLZZZLLLLLLLLLL
  - ~~R8{backend:dex,compilation-mode:release,has-checksums:false,min-api:21,pg-map-id:1932dbd,r8-mode:full,version:8.3.37}
  

TYPES:

   old   │ new   │ diff       
  ───────┼───────┼────────────
   14988 │ 14990 │ +2 (+2 -0) 
  
  + Lv6/f;
  + Lv6/g;
  

METHODS:

   old   │ new   │ diff         
  ───────┼───────┼──────────────
   62032 │ 62038 │ +6 (+40 -34) 
  
  + H5.j a(a)
  + H5.l a(a)
  + H5.q a(a)
  + i7.D <init>(boolean, a, boolean, boolean, boolean, String, String, String, v, a, String)
  + i7.n <init>(boolean, String, boolean, boolean, boolean, String, String, String, a, A, e, c, q0, c, c, c)
  + q6.K <init>(String, String, String, String, Integer, String)
  + q6.L <init>(String, String, String)
  + q6.M <init>(String, String, String, String)
  + v6.d <init>(g, String)
  + v6.d a(String, String, b, String, String)
  + v6.d b(String, String, String, c)
  + v6.d c(String, String, b, String, String, Integer, String)
  + v6.d d()
  + v6.d e(String, String, String, c)
  + v6.e <init>(int, c)
  + v6.e a(Object)
  + v6.f <init>(g, String)
  + v6.f a(String, String, b, String, String)
  + v6.f b(String, String, String, c)
  + v6.f c(String, String, b, String, String, Integer, String)
  + v6.f d()
  + v6.f e(String, String, String, c)
  + v6.g a(String, String, b, String, String)
  + v6.g b(String, String, String, c)
  + v6.g c(String, String, b, String, String, Integer, String)
  + v6.g d()
  + v6.g e(String, String, String, c)
  + x6.g a(String, String, String, String, String, String, Integer, String, e) → Object
  + x6.g b(String, String, String, String, c, e) → Object
  + x6.g c(String, String, String, String, c, e) → Object
  + x6.g e(c, String, String) → N
  + y6.a <init>(String, String, c, String, String, String, String, Integer, String)
  + y6.a A() → String
  + y6.b <init>(String, String, c, String, String, String, String)
  + y6.b A() → String
  + y6.c <init>(String, String, String, c, boolean, String)
  + y6.c A() → String
  + y6.d <init>(String, String, String, c, boolean, String)
  + y6.d A() → String
  + y6.e A() → String
  
  - H5.j a(String, String, b, String, String)
  - H5.j b(String, String, String, c)
  - H5.j c(String, String, b, String, String, Integer, String)
  - H5.j d()
  - H5.j e(a)
  - H5.j f(String, String, String, c)
  - H5.l <init>(g)
  - H5.l a(String, String, b, String, String)
  - H5.l b(String, String, String, c)
  - H5.l c(String, String, b, String, String, Integer, String)
  - H5.l d()
  - H5.l e(a)
  - H5.l f(String, String, String, c)
  - H5.q e(a)
  - i7.D <init>(boolean, a, boolean, boolean, boolean, String, String, String, v, a)
  - i7.n <init>(boolean, String, boolean, boolean, boolean, String, String, a, A, e, c, q0, c, c, c)
  - q6.K <init>(String, String, String, Integer, String)
  - q6.L <init>(String, String)
  - q6.M <init>(String, String, String)
  - v6.d <init>(int, c)
  - v6.d a(Object)
  - v6.e a(String, String, b, String, String)
  - v6.e b(String, String, String, c)
  - v6.e c(String, String, b, String, String, Integer, String)
  - v6.e d()
  - v6.e f(String, String, String, c)
  - x6.g a(String, String, String, String, String, Integer, String, e) → Object
  - x6.g b(String, String, String, c, e) → Object
  - x6.g c(String, String, String, c, e) → Object
  - x6.g e(c, String) → N
  - y6.a <init>(String, String, c, String, String, String, Integer, String)
  - y6.b <init>(String, String, c, String, String, String)
  - y6.c <init>(String, String, String, c, boolean)
  - y6.d <init>(String, String, String, c, boolean)
  

FIELDS:

   old   │ new   │ diff          
  ───────┼───────┼───────────────
   40957 │ 40970 │ +13 (+24 -11) 
  
  + i7.D k: String
  + i7.F y: g
  + i7.n h: String
  + i7.n i: a
  + i7.n j: A
  + i7.n k: e
  + i7.n p: c
  + q6.K h: String
  + q6.K i: Integer
  + q6.K j: String
  + q6.L c: String
  + q6.M d: String
  + v6.d a: e
  + v6.d b: String
  + v6.e S: int
  + v6.e T: c
  + v6.f a: e
  + v6.f b: String
  + y6.a a0: String
  + y6.a b0: Integer
  + y6.a c0: String
  + y6.b a0: String
  + y6.c Z: String
  + y6.d Z: String
  
  - 
...✂

[carlosmuvi-stripe]

@tillh-stripe needs another ✅ after the AddPaymentMethod refactor : )