Migrate SysUI theme to UiMode

Legacy RRO was deleted and resources migrated to DeviceDefault theme.
Theming via overlays is still possible, but the overlay should provide
both themes: day and night.

Test: adb shell service call uimode 4 i32 1
Test: adb shell service call uimode 4 i32 2
Change-Id: I5dee2f94764c5c2f4e11cfabfff97656b3822e8a
diff --git a/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java b/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java
index 532fa034a..201f40e 100644
--- a/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/globalactions/GlobalActionsDialog.java
@@ -265,7 +265,7 @@
         if (!mHasVibrator) {
             mSilentModeAction = new SilentModeToggleAction();
         } else {
-            mSilentModeAction = new SilentModeTriStateAction(mContext, mAudioManager, mHandler);
+            mSilentModeAction = new SilentModeTriStateAction(mAudioManager, mHandler);
         }
         mAirplaneModeOn = new ToggleAction(
                 R.drawable.ic_lock_airplane_mode,
@@ -1211,12 +1211,10 @@
 
         private final AudioManager mAudioManager;
         private final Handler mHandler;
-        private final Context mContext;
 
-        SilentModeTriStateAction(Context context, AudioManager audioManager, Handler handler) {
+        SilentModeTriStateAction(AudioManager audioManager, Handler handler) {
             mAudioManager = audioManager;
             mHandler = handler;
-            mContext = context;
         }
 
         private int ringerModeToIndex(int ringerMode) {