Implement scrim method
am: 904c429b99

Change-Id: Iaae6e7b7b17ba9456db12af206e09f30692b9486
diff --git a/go/quickstep/src/com/android/quickstep/TouchInteractionService.java b/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 39f8448..da4c5e1 100644
--- a/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/go/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -92,6 +92,11 @@
             // To be implemented
         }
 
+        @Override
+        public void onScrimColorsChanged(int color, int type) {
+
+        }
+
         /** Deprecated methods **/
         public void onQuickStep(MotionEvent motionEvent) { }
 
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
index b25865e..31a9d09 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/TouchInteractionService.java
@@ -171,6 +171,11 @@
             mSystemUiStateFlags = stateFlags;
         }
 
+        @Override
+        public void onScrimColorsChanged(int color, int type) {
+
+        }
+
         /** Deprecated methods **/
         public void onQuickStep(MotionEvent motionEvent) { }