Hide overlay windows when showing phone account enable/disable screen. am: a7d57ace58 am: 03d32b7ee6 am: fdbbe6bf70 am: f745f72a03 am: 46a616d207 am: 16efae2fd5 am: 9189ed2217 am: 513cce6b60 am: b033a94202 am: f864297fb6 am: c4135b7d07

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

Change-Id: I0e24c180d37b99d3f6ea40f5bfc9eb09fdd27d11
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>