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: 1b4230bd am: 6d159d0e

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



Change-Id: I4debc6ae3fdb1df4aca5c203e5ee8992d084d838
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>