Merge "Make releaseSomeActivities() a oneway call." am: 2da2fdc519 am: 76398b631a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1552466

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8089ca93bcafa65dde7e7db141d1a5306afec151