Add ANGLE enable to Developer Options

Allows selecting a single app to use ANGLE instead
of native drivers via Developer Options. Only non-system
apps will be listed via this interface.

Bug: 80239516
Test: make ROBOTEST_FILTER=AngleEnabledAppPreferenceControllerTest RunSettingsRoboTests
Change-Id: Iddf800cdc1a2607757ee165c456357e041c47ce5
(cherry picked from commit a3ed8214bf5903e4dea8df5f3516a95d81d8c485)