Merge "Don't try to mirror the WP surface if the engine was lost" into sc-dev am: 92cd18f565

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/WallpaperPicker2/+/14341595

Change-Id: I95c8d3a55da7b83cb22437fd830c4a1d348129aa