Show progress bar till the applyPayload returns am: 9be05afc88

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Settings/+/2766345

Change-Id: I713b313d751c063cea3835c7396859f40a61645d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>