Merge "Keystore 2.0: Silence common error on operation abort." am: 492ab3dd2c am: 11cb680764 am: b956f8b6f0

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1619901

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ic0216e28a74d9583eb6509488909449bc48e5dfa