Merge "Alerts not respecting dark theme" into rvc-d1-dev am: b9ca20fb am: 08856de0 am: cc4d3a72

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11707053

Change-Id: Ibaa7abfa47d83a39ed5a1ccb84e175e5af9ddc66