Support wallpapers in AoD
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
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeService.java b/packages/SystemUI/src/com/android/systemui/doze/DozeService.java
index 6650cc6..34d3928 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeService.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeService.java
@@ -24,9 +24,10 @@
import com.android.systemui.Dependency;
import com.android.systemui.plugins.DozeServicePlugin;
-import com.android.systemui.plugins.PluginManager;
import com.android.systemui.plugins.DozeServicePlugin.RequestDoze;
import com.android.systemui.plugins.PluginListener;
+import com.android.systemui.plugins.PluginManager;
+
import java.io.FileDescriptor;
import java.io.PrintWriter;