Don't flash colors when hinting

We're not flashing the colors anymore while hinting.
This also fixes a bug where the background wasn't
transforming properly when the last view was colorized.

Fixes: 37924486
Fixes: 36413876
Test: hint on lockscreen while the last notification is colorized
Change-Id: Ic9c4bf3c65e5d688ba43d71fb2843ebb7855c4f1
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java
index b2b23a55..e409b9c 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/AmbientState.java
@@ -60,6 +60,7 @@
     private boolean mExpansionChanging;
     private boolean mPanelFullWidth;
     private boolean mPulsing;
+    private boolean mUnlockHintRunning;
 
     public AmbientState(Context context) {
         reload(context);
@@ -305,4 +306,12 @@
     public void setPanelFullWidth(boolean panelFullWidth) {
         mPanelFullWidth = panelFullWidth;
     }
+
+    public void setUnlockHintRunning(boolean unlockHintRunning) {
+        mUnlockHintRunning = unlockHintRunning;
+    }
+
+    public boolean isUnlockHintRunning() {
+        return mUnlockHintRunning;
+    }
 }