Fix crash of resource not found am: 64d53e54 am: 821e7a77 am: 90905c21 am: e2bd0f23

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



Change-Id: I0980c1d967e265bf49620ab16341dacd1c1a767d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>