Merge "Clear FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS for dreams" into lmp-dev

Author: adrianroos

core/java/android/service/dreams/DreamService.java

@@ -967,6 +967,9 @@ private final void attach(IBinder windowToken, boolean canDoze) {
                         | (mScreenBright ? WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON : 0)
                         );
             mWindow.setAttributes(lp);
+            // Workaround: Currently low-profile and in-window system bar backgrounds don't go
+            // along well. Dreams usually don't need such bars anyways, so disable them by default.
+            mWindow.clearFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
             mWindow.setWindowManager(null, windowToken, "dream", true);
 
             applySystemUiVisibilityFlags(