Fix crash of resource not found am: 64d53e549c am: 821e7a7712

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/24083114

Change-Id: I978e01abca6bfd8eb83fd51aa22a9e5d13ad39e6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>