Add indicator badge to decorate grid item

Bug: 188734434
Test: Manual
Change-Id: Id7d54172af1a0e08d87fe93fc1336912513130d3
diff --git a/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java b/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java
index 85171d6..84f2e7a 100755
--- a/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java
+++ b/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java
@@ -598,7 +598,7 @@
                         mImageGrid, (BottomSheetHost) getParentFragment(), getNumColumns()));
     }
 
-    private boolean isFewerColumnLayout() {
+    boolean isFewerColumnLayout() {
         return mWallpapers != null && mWallpapers.size() <= MAX_CAPACITY_IN_FEWER_COLUMN_LAYOUT;
     }
 
@@ -1142,7 +1142,7 @@
         }
     }
 
-    private boolean shouldShowRotationTile() {
+    boolean shouldShowRotationTile() {
         return mFormFactor == FormFactorChecker.FORM_FACTOR_DESKTOP && isRotationEnabled();
     }