Allow Mic and Camera Permissions in websites

[nalcalag]

Task/Issue URL: https://app.asana.com/0/0/1202399817058484/f

Description

Allow users to enable mic or camera permissions if website requests it

Steps to test this PR

Microphone dialog

• Install from this branch
• Go to www.mictest.cc
• Tap on "Test my cam" button
• [ ] Check rationale dialog appears ask you only for mic permissions and allow
• [ ] If system permission not granted before -> check system permission dialog appears
• Allow permission
• [ ] Check microphone is working for site

Camera dialog

• Install from this branch
• Go to www.webcamtest.cc
• Tap on "Test my mic" button
• [ ] Check rationale dialog appears ask you only for camera permissions and allow
• [ ] If system permission not granted before -> check system permission dialog appears
• Allow permission
• [ ] Check camera is working for site

Mic & Camera dialog

• Install from this branch
• Go to webcamera.io
• [ ] Check rationale dialog appears ask you for mic and camera permissions and allow
• [ ] If system permissions not granted before -> check system permission dialogs appears
• Allow permissions
• [ ] Check microphone and camera is working for site

[nalcalag]

Current dependencies on/for this PR:

• develop
  • PR #2035 👈
    • PR #2165

This comment was auto-generated by Graphite.

[nalcalag]

Current dependencies on/for this PR:

• develop
  • PR #2035 👈
    • PR #2165

This comment was auto-generated by Graphite.

[nalcalag]

Left some comments on the PR.

I was not able to test the PR because it automatically crashes on my device 🤷, could you double check if it works on your side?

Yes, it works fine to me 🤔 I replied to your comments and commit some fixes 👍

[nalcalag]

Changed SitePermissionsDialogActivityLauncher scope to be single instance in Fragment instead Activity scope. Thanks for the suggestion @cmonfortep 💯

[cmonfortep]

@nalcalag there's a conflict produced by https://github.com/duckduckgo/Android/pull/2322