Set an action name for wallpaer index am: 0f7b80f4 am: b0f91344 am: fefafaab

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



Change-Id: I9543c8cc2c92ddfcfae4554d081f1b16a0e53479
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>