Pixel Logger: Move logger_app sepolicy to Pixel specific area am: 59c7e48a4a

Original change: https://android-review.googlesource.com/c/platform/hardware/google/pixel-sepolicy/+/1569402

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ia24065be77a000016695e56268081c96f42e6798