Add settingsSliceUri attribute for supporting live wallpaper inline-
control, public for AOSP live wallpaper to use.
Bug: 117200693
Test: atest tests/Internal/src/android/app/WallpaperInfoTest.java
Change-Id: Iffe9fbd9f49daf8a63d5745f91532de13b7288e3
In P we introduced a private concept of AOD wallpapers, in Q
we're making it a public surface.
Bug: 111395593
Test: make
Change-Id: I4c406386f0ee15dc8734a24b040482b6cb807126
Such wallpaper has to define supportsAmbientMode,
and set it to true on its android.service.wallpaper
meta data.
Also introduces WallpaperService.Engine#onAmbientModeChanged
to notify a live wallpaper that the display state has changed.
Change-Id: I49e846069a698b3cc3bb6e7cda98172920eaae4c
Bug: 64155983
Test: runtest -x frameworks/base/packages/SystemUI/tests/src/com/android/systemui/doze/DozeWallpaperStateTest.java
Test: runtest -x frameworks/base/tests/Internal/src/android/app/WallpaperInfoTest.java
Test: runtest -x frameworks/base/tests/Internal/src/android/service/wallpaper/WallpaperServiceTest.java
Test: set AoD wallpaper, go to aod, lock screen, launcher
Test: set regular wallpaper, go to aod, lock screen, launcher
