UCP/WIREUP: Consider BW for AM/keepalive lanes with same latency in selection (#11503)

* UCP/WIREUP: add bandwidth tiebreak for close scores

* UCP/WIREUP: CR fixes

* UCP/WIREUP: clang format

* UCP/WIREUP: Fix transport tiebreak selection

* UCP/WIREUP: clang format

* UCP/WIREUP: Restore primary score comparison

* UCP/PROTO: Revert proto_multi whitespace cleanup

* GTEST/UCP: Revert proto_mock whitespace cleanup

* UCP/WIREUP: Fix tiebreak candidate initialization

* AUTHORS: Add shasson5

* AUTHORS: Use existing Shachar Hasson entry

* UCP/WIREUP: Avoid maybe-uninitialized candidate warning