Merge "Hide SAW subwindows" into tm-dev am: 61a992c65d am: 9b45ae63dc

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/27158350

Change-Id: Icd98e238e64fc9f7b92b246a9d358e17a2a60bd9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>