[automerger skipped] [RESTRICT AUTOMERGE]Only allow system and same app to apply relinquishTaskIdentity am: 2844258da4 -s ours am: 655c49d23a -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16565827

Change-Id: Ib80b17f1e1975ea48e73eec431d6cc73dd07e7a6