Merge "Remove implementation details from tethering hidden api flags" am: a2e04105bb

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2020995

Change-Id: I16c5576d98a92b9f9e48aae9b81f8901686d3303
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>