Merge "Use DreamManager to get initial state." into tm-qpr-dev am: b1a1dc4d am: 87c8b76d

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



Change-Id: I2dd5f61709d5f2d53f3c390e360ab087410a0632
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>