Merge "Revert "Revert "Suppress NewApi warnings for @SystemApi -> public APIs""" am: 52baac4749 am: 39aeb14387 am: 597df78644

Original change: https://android-review.googlesource.com/c/platform/frameworks/libs/net/+/1928138

Change-Id: I8fd85bac005bedb7fedf016925762feb50b68211