Add Android Auto notification support

[abaker]

Pull Request Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off

[abaker]

This PR is for #240. It enables message notifications in Android Auto with mark as read and voice reply functionality.

In order to release this to the Play Store you have to click on Advanced settings > Release types > Add release type > Android Auto > Accept the Android for Cars Terms of Service

It seems like apps require some sort of entitlement granted by the Play Store to actually work on the Android Auto app or an Android Auto head unit. Debug builds will only work in the Desktop Head Unit. I assume this also means the F-Droid build will not work with Android Auto.

[ouchadam]

LGTM 💯 thanks for this!

• double checked notification actions still work

[github-actions]

Unit Test Results

  42 files  ±0    42 suites  ±0   46s ⏱️ ±0s
  83 tests ±0    83 ✔️ ±0  0 💤 ±0  0 ❌ ±0 
220 runs  ±0  220 ✔️ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit 5d51431. ± Comparison against base commit 5d51431.

[bmarty]

Thanks for the PR!

In order to release this to the Play Store you have to click on Advanced settings > Release types > Add release type > Android Auto > Accept the Android for Cars Terms of Service

Taking care of this part with the legals

[bmarty]

T&C have been accepted:

Next step is to upload an APK, which will be done on the next release.

[th0mcat]

This PR is for #240. It enables message notifications in Android Auto with mark as read and voice reply functionality.

In order to release this to the Play Store you have to click on Advanced settings > Release types > Add release type > Android Auto > Accept the Android for Cars Terms of Service

It seems like apps require some sort of entitlement granted by the Play Store to actually work on the Android Auto app or an Android Auto head unit. Debug builds will only work in the Desktop Head Unit. I assume this also means the F-Droid build will not work with Android Auto.

Just an FYI for anyone reading this PR: Here's how you can get Android Auto working on a dbg build:

· Enable Developer Mode in the Android Auto app. Settings > Tap the "Version and permission info tab" until Developer Mode is enabled.
· Allow Unknown sources. Setings > 3 button menu > Developer settings > Check "Unknown sources".

[bmarty]

After APK 1.3.2 upload: