Revert "SF: Squashed hwrotation support"

* This reverts commit a9fa1c9c.
  Our current implementation is being replaced in the next patch
  by the upstream one, which is currently on the oreo-mr1-dev AOSP
  branch and will be included in a future release tag.

Change-Id: Icb9eb3e733f6a40acf6233adb11216914f5a3db5