Merge "Use themed context to inflate user switcher items" into sc-dev am: efb81fd1 am: 1f711df8 am: 21131f7b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14354095

Change-Id: Idd6ce152f6ff1467b81ff0b6f12bee8b3da1847e