Merge "Add OWNERS file to AM test helper app" am: 958a1ab393 am: b59b8b0040 am: aef16a6c96

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1627139

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8e5d5125b1c7ba89a94c76213b682390cae4ec89