Merge "Hide keyguard when SIM transitions to READY" am: 0ae1b444ca am: a6a39e5e29

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1590933

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I55fc9cac27c38b41cc815f8a0e74e124c89bfe07