resolve merge conflicts of d5d7fa10af to ub-launcher3-master.

Change-Id: I324b1a9cd3c6dce1d5d3b14d3ef95f798e5bc243
diff --git a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
index 4be6f17..3554ca7 100644
--- a/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
+++ b/WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
@@ -108,6 +108,7 @@
                 new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
+                        actionBar.hide();
                         // Never fade on finish because we return to the app that started us (e.g.
                         // Photos), not the home screen.
                         cropImageAndSetWallpaper(imageUri, null, false /* shouldFadeOutOnFinish */);