[AWARE] Support a mix of 1.0 and 1.2 Callback registration

Allow clients to register both 1.0 and 1.2 callback objects. Only
execute the new callbacks for 1.2 callback objects.

Purpose: allow 1.0 VTS tests to run as-is.

Bug: 71581915
Test: atest VtsHalWifiNanV1_0TargetTest
Test: act.py -c <path>/wifi_aware.json -tc ThroughputTest:test_iperf_single_ndp_aware_only_ib
Change-Id: I1e049498a0eaa176a6074c552b1a3c6f23d18fd0