[address-resolver] add new API `otThreadUpdateSnoopedCacheEntry()`

[abtink]

This commit adds a new public API to add/update a snoop optimization entry in the address cache table. This is done by inspecting a received message and using an application-specific mechanism to determine the RLOC16 of the sender.

[size-report[bot]]

Size Report of OpenThread

Merging #10861 into main(7bd3abd67b2443263ca04c1416bb4ee6228e3048).

name	branch	text	data	bss	total
ot-cli-ftd	main	473128	856	66220	540204
	#10861	473128	856	66220	540204
	+/-	0	0	0	0
ot-ncp-ftd	main	441628	760	61440	503828
	#10861	441628	760	61440	503828
	+/-	0	0	0	0
libopenthread-ftd.a	main	240077	95	39998	280170
	#10861	240091	95	39998	280184
	+/-	+14	0	0	+14
libopenthread-cli-ftd.a	main	59137	0	8083	67220
	#10861	59137	0	8083	67220
	+/-	0	0	0	0
libopenthread-ncp-ftd.a	main	32787	0	5924	38711
	#10861	32787	0	5924	38711
	+/-	0	0	0	0
ot-cli-mtd	main	367944	760	50828	419532
	#10861	367944	760	50828	419532
	+/-	0	0	0	0
ot-ncp-mtd	main	350652	760	46072	397484
	#10861	350652	760	46072	397484
	+/-	0	0	0	0
libopenthread-mtd.a	main	160163	0	24630	184793
	#10861	160163	0	24630	184793
	+/-	0	0	0	0
libopenthread-cli-mtd.a	main	40113	0	8059	48172
	#10861	40113	0	8059	48172
	+/-	0	0	0	0
libopenthread-ncp-mtd.a	main	25561	0	5924	31485
	#10861	25561	0	5924	31485
	+/-	0	0	0	0
ot-cli-ftd-br	main	559896	864	131100	691860
	#10861	559896	864	131100	691860
	+/-	0	0	0	0
libopenthread-ftd-br.a	main	331664	100	104846	436610
	#10861	331680	100	104846	436626
	+/-	+16	0	0	+16
libopenthread-cli-ftd-br.a	main	73334	0	8115	81449
	#10861	73334	0	8115	81449
	+/-	0	0	0	0
ot-rcp	main	63040	564	20804	84408
	#10861	63040	564	20804	84408
	+/-	0	0	0	0
libopenthread-rcp.a	main	9920	0	5060	14980
	#10861	9920	0	5060	14980
	+/-	0	0	0	0
libopenthread-radio.a	main	19121	0	238	19359
	#10861	19121	0	238	19359
	+/-	0	0	0	0

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 77.88%. Comparing base (7bd3abd) to head (5da9bb3).

Files with missing lines	Patch %	Lines
src/core/api/thread_ftd_api.cpp	0.00%	3 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10861      +/-   ##
==========================================
+ Coverage   75.93%   77.88%   +1.94%     
==========================================
  Files         622      624       +2     
  Lines       92227    88177    -4050     
==========================================
- Hits        70036    68679    -1357     
+ Misses      22191    19498    -2693     

Files with missing lines	Coverage Δ
src/core/api/thread_ftd_api.cpp	59.35% <0.00%> (-21.57%)	:arrow_down:

... and 148 files with indirect coverage changes

[abtink]

Closing this PR.

@arnulfrupp, I recall we discussed adding such an API in the last Thread MM, but we also talked about other (maybe) better solutions (e.g., using a service ALOC address to avoid the need for Address Query). 

If you are still interested in this API, let us know, and we can reopen this PR.

[arnulfrupp]

@abtink: Yes I'm still interested in that commit. There is to use-cases for this API:

1. Efficient multicast discovery (from any device)
2. Proactively informing nodes about a role change (RLOC change) of an application controller.

For 2) an ALOC may be the better solution if the controller sits on the same Thread network. For 1) ALOC would not make sense. I believe EID -> RLOC address resolution queries already update the snoop cache for the same reason. Making the same available to application level discovery requests would be great.