Merge "Don't allow user to dream when not unlocked." into tm-qpr-dev am: 4922540a am: 6902391c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20749330



Change-Id: Ib16a3fc0860558888489ec197f3a1f1a747cef3d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>