Merge "Cleanup dream preview complication." into tm-dev am: b6918681 am: 7a2fba6d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17731951



Change-Id: I327d1f2fd7955ad41fcbfc8995ea81338e44b306
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>