[automerge] Hide non-system overlay window on ActivityPicker 2p: 877a41b0 am: 2315d0f2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/17628091



Change-Id: I0b1c44dec3dd3d22f487fff825d383b2a5ee8536
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>