[Revert^2] Stop tethering request only if fuzzy-matched to existing request am: d093ea69b0 am: 56e0b93e4c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3543707

Change-Id: Id903f95fe071f63b4d19585ec26e4c4eca5bcfe3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>