Merge "WM: Handle primary display orientation when calculating the transform hint" into sc-v2-dev am: e84c7c6393 am: 5619ebfa14

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15838995

Change-Id: I54e16ca4058f3f90bf6e73a10ce8e6fd57e9d733