Merge "Documents that wipeData() is allowed for apps with MASTER_CLEAR permission." into sc-dev am: 6ebf3703f2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14130357

Change-Id: I32f98f893c1c18fb3f6a88dd1e46797f3feea006