Merge "Keystore 2.0: Android Protected Confirmation" am: 30841f177c am: 3443d2b671

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1508897

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I034d45f1afcdd07c0b12e2db7e4134b695ec5c70