[automerger skipped] Merge "Merge "Allow overlays to be notified about theme...

[automerger skipped] Merge "Merge "Allow overlays to be notified about theme changes" into sc-qpr1-dev am: 45319d55 am: a5204977" into sc-v2-dev-plus-aosp am: 365aeeda -s ours

am skip reason: Merged-In Ie52b8c55a046d150dd30aae5fabb279b53a959f5 with SHA-1 dc26bd0e is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15590962

Change-Id: I61675f0ac577b810223bb68c779efe49877cab2c