Merge "Remove implementation details from tethering hidden api flags" am: a2e04105bb am: fea237b219

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

Change-Id: Id2335c1a246b3ac3a7a70071a9bd6d422dd0c04a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>