Merge "[DO NOT MERGE] Update window with FLAG_SECURE when bouncer is showing"...

Merge "[DO NOT MERGE] Update window with FLAG_SECURE when bouncer is showing" into rvc-dev am: d7710fc3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19952038



Change-Id: Ic5a7614e9843dbb20f563eb518c761762bf47204
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>