Merge "Dialer: remove unused drawables" am: 8a220e897f

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Dialer/+/1990170

Change-Id: If1e8b907b8cd7b421fdac034d569f4998e81c398
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>