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

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



Change-Id: I46a1ed08ed24ad9b9eddcf4d51f217d8ccc34398
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>