Merge "Add README" am: 0a34762447 am: 61fb2fb909

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Dialer/+/2613992

Change-Id: I83c368b489cc6d52254d8fd8eb978a89f44a7b8e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>