Merge "DisplayModeDirector: move to dedicated package" into udc-dev am: 1279268a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21465168



Change-Id: I1f6e280074dae117e721011e122db8dc4d1fceb9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>