Merge "Document reason for not using SingleWriterBpfMap in ClatCoordinator" into main am: 865fcc72c3

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3147877

Change-Id: Ib682f88de61396cb8efbed15b283479f939fb59f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>