Hide overlay windows when showing phone account enable/disable screen. am:...

Hide overlay windows when showing phone account enable/disable screen. am: a7d57ace am: 03d32b7e am: fdbbe6bf am: f745f72a am: 46a616d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/services/Telecomm/+/20069028



Change-Id: I5a910d8047b137795b2aaf2d78d9c551465d3f70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>