Merge "Add onSupportedTetheringType callback" am: c4379c2440 am: 8729ce2bde am: 00a0a8e844

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1940847

Change-Id: Ib8e8c0b611524e442ece08a86fa4ec343e523c73
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>