clarify comment about uid check on abort() am: 9461bb1f48

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2576230

Change-Id: I7a5a4cd931b9b5afe2bf7df14d3ca5fd0b8a764b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>