[automerger skipped] [RESTRICT AUTOMERGE]Only allow system and same app to apply relinquishTaskIdentity am: 7221a25a03 am: bf71c0255c -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16961349

Change-Id: I6773afbe3093d1d900b029c63975cd715bfd2aab