Merge "Notify TaskViews of updated orientation state" into ub-launcher3-rvc-qpr-dev am: dbca5a4190

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/12142279

Change-Id: I9e9bdcad0fac1f6d78049617ca12d13564cf60ba