Merge "Implement memtagMode and nativeHeapZeroInit manifest attrs." am: d600f5067a

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1556655

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9c84f162736af927f6cac041f4200dc3ab2b8efa