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: 62f8eba2 am: 5f1984a1

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

Change-Id: Icb990b7b55ecf61eda908eab2467f2b080b3e228