Add Flag to disable wallpaper restorer (1/2) am: cd4f673a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/23604162



Change-Id: I962d4bd4681309b8645ea01e7001cfae098e1be1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>