[automerger skipped] Merge "PermissionCache: expose a method to purge permission cache" am: c052fed1 am: 80d0eae4 am: 81eec9bb -s ours

am skip reason: skip tag Change-Id I2c013eb857917e4c4477abf6237d0a76ef70aa9a with SHA-1 11302498 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/1688089

Change-Id: I0df502b32bef426f0fcf4008cf312f35ff6248a2