Preventing user from selecting any new time, when a tile is already being applied

Bug: 22293299
Change-Id: I6b9bf2b777d33ca23f291c7872ce1f338d41e516
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
index c723b39..069638f 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
@@ -551,6 +551,10 @@
                     @Override
                     public void onClick(View v) {
                         if (mSelectedTile != null) {
+                            // Prevent user from selecting any new tile.
+                            mWallpaperStrip.setVisibility(View.GONE);
+                            actionBar.hide();
+
                             WallpaperTileInfo info = (WallpaperTileInfo) mSelectedTile.getTag();
                             info.onSave(WallpaperPickerActivity.this);
                         } else {