Merge changes from topic "smartspace-on-dream-overlay" into tm-qpr-dev am:...

Merge changes from topic "smartspace-on-dream-overlay" into tm-qpr-dev am: 460cffff am: 4c5c8265 am: c5840c8b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21543524



Change-Id: I5b5fd7429a1a4c6da4c1b03addd0f46888085398
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>