Merge "Test TetheringManager could be GC after getting connector" am: 9d0c5419c9 am: 695b4c170e am: 6ae4b7e227 am: 4123670bf5

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/1838542

Change-Id: I21bb2d2034222a663b20bc3593edcb6cf430ed24