Set PredictedAppIcon ring disabled when icon is disabled

Test: drag a predicted app from taskbar, ensure both ring and icon are
set to grayscale
Fixes: 268759548

Change-Id: I764ebcd486c09eceaf30c5bd5153a1dd2ff5be72
diff --git a/src/com/android/launcher3/BubbleTextView.java b/src/com/android/launcher3/BubbleTextView.java
index ea79c55..14f4b30 100644
--- a/src/com/android/launcher3/BubbleTextView.java
+++ b/src/com/android/launcher3/BubbleTextView.java
@@ -72,9 +72,9 @@
 import com.android.launcher3.model.data.ItemInfoWithIcon;
 import com.android.launcher3.model.data.WorkspaceItemInfo;
 import com.android.launcher3.popup.PopupContainerWithArrow;
-import com.android.launcher3.util.MultiTranslateDelegate;
 import com.android.launcher3.search.StringMatcherUtility;
 import com.android.launcher3.util.IntArray;
+import com.android.launcher3.util.MultiTranslateDelegate;
 import com.android.launcher3.util.SafeCloseable;
 import com.android.launcher3.util.ShortcutUtil;
 import com.android.launcher3.views.ActivityContext;
@@ -978,6 +978,13 @@
         applyCompoundDrawables(icon);
     }
 
+    /** Sets the icon visual state to disabled or not. */
+    public void setIconDisabled(boolean isDisabled) {
+        if (mIcon != null) {
+            mIcon.setIsDisabled(isDisabled);
+        }
+    }
+
     protected boolean iconUpdateAnimationEnabled() {
         return mEnableIconUpdateAnimation;
     }