Merge "Fix multi user crash when Add guest was tapped multiple times" into...

Merge "Fix multi user crash when Add guest was tapped multiple times" into rvc-dev am: 15d9351b am: 850263d0 am: 3bc6e61a am: 0e8881b6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/12108073

Change-Id: Ie4d2588387f4f8cfb75c5303ddfc72e676e5bf0d