Merge "Report isKnownService in discovery stop metrics" into main am: 4171348894

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3107621

Change-Id: I44118e08828a6152e4e05e273d6bac4aa74255cf
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>