Merge "Remove IoUtils from service-permission system-server stubs" into rvc-dev am: 7b3cc67d am: 22634f95 am: 5bcc9f20

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11689588

Change-Id: Ieb6e3551620014976bff0fa78e823ae69b575d88