Merge "Update SYSUI_STATE_SCREEN_PINNING in TaskbarDelegate" into sc-v2-dev am: 40e25e5fd1 am: b63e4d5a52

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15805922

Change-Id: I6c9b59ca2ca7d73e31f268e5ad0e28e303beedaf