Merge "Fix exception happened in maybeSetUpImageGrid()" into sc-dev am: 77aa9969ad

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/15143001

Change-Id: Ib69063fb66355e530c92806b078bcae10b0ba754
diff --git a/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java b/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java
index 97c2eaa..a7d1f5c 100755
--- a/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java
+++ b/src/com/android/wallpaper/picker/individual/IndividualPickerFragment.java
@@ -582,6 +582,9 @@
         if (mCategory == null) {
             return;
         }
+        if (getContext() == null) {
+            return;
+        }
 
         // Wallpaper count could change, so we may need to change the layout(2 or 3 columns layout)
         GridLayoutManager gridLayoutManager = (GridLayoutManager) mImageGrid.getLayoutManager();