Merge "Defer UID data removal until after reading is finished" am: ce2d40870e am: 7fddb382f7

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1554529

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie0a26de931a690d5248d4449fa048a2abf2e7d71