Merge "BpfCoordinator: avoid attach/deatach duplicate downstream program" am: 896b893500

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2174903

Change-Id: I5a94f2e318ae2bde6c88bfd74f125f226e50be73
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>