Show progress bar till the applyPayload returns am: 9be05afc88 am: 0aebae8d79

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

Change-Id: Ibaf92a15e52ad5e7f1834210196c94d521ad90d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>