Merge "Hide or show smartspace on proper thread when swiping between clocks"...

Merge "Hide or show smartspace on proper thread when swiping between clocks" into udc-dev am: b38bf2d7 am: 3e5217a7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22821476



Change-Id: I67f1414ed7bf64ef4cd55962620b1995c3136a74
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>