Merge "Addition of OWNERS / initial .proto file" am: 6aabdca9b3 am: e451a442f4 am: 796f747ec1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1541857

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I2821f416842064011e51a37e8440a781f3116d30