Merge "Listen for ComponentCallback.onConfigurationChanged in TaskbarDelegate" into sc-v2-dev am: 97a5f472cc am: a3d3d595f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15948723

Change-Id: I785cd34f0b86f47df092fbdffefadb7f174ceede