Merge "Added device posture controller to SysUI." into sc-v2-dev am: c7f30fcd0e am: c54961d1fb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15346903

Change-Id: Id9d0c5b09daca836703ee9fb2ea354d2c06faa4a