Merge "Filter package visibility in checkExistsAndEnforceCannotModifyImmutablyRestrictedPermission()." into sc-dev am: 4c2c1530bf am: 695b2a1b1a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14390030

Change-Id: I7b88a9c398e0c38f8823de3e96453ab57d1afd39