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

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

Change-Id: I05fdcdabd9b7cb8443c71adbf3577b5f875b4e7e