Merge "Add keyguardGoingAway to the state controller." into tm-dev am: 1254f916 am: 96cbdf8f am: 12a4d63a am: b1228a0d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17892805



Change-Id: If51be89d6d83a648f1e7fa0e049a31d9144cb550
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>