Merge "Revert "Add onSupportedTetheringType callback"" am: 370ba4f3c5 am: 6e8549b3ab

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2150813

Change-Id: I4dfc03983c30aff54f6fb0077061c48283b40bbc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>