[RTT] Add error code for Responder not support IEEE 802.11mc

Add an error code which will be used when the Responder does not
support IEEE 802.11mc - and by implication when such non-support
results in an error.

Note: @hide for now - will be unhidden in a subsequent CL.

Bug: 72975604
Test: unit tests, integration tests
Change-Id: I903abe6cfe19e771e4e4cdaadec48e82f009cbf3