Merge "Add a new permission to allow usage of system dataloaders." into sc-dev am: 9def5255

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13666610

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Id9a0ec01216d2327a8ed9683e49b9462a320fc40