Set an action name for wallpaer index am: 0f7b80f4 am: 68fa7462

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/19394202



Change-Id: Ica13f797d30a9a5c8c68e93b107b62f89c032f3f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>