Merge "Add BATTERY_STATS_OWNERS to OWNERS for battery stats tests" am: f37523fbb1

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1531243

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I0c6b327edf54ed93a6d98a008a6914fc6b4121bc