Merge "Use DreamManager to get initial state." into tm-qpr-dev am: b1a1dc4d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22129027



Change-Id: If86d1439477b554a8d600ddaec006c067a3bada9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>