[Comb] Include correct MAC and IPv4/6 address for peer interface.Create DVaaS traffic helper for NSF test infra.Add support for gnmi_config and p4_info to NsfTestParams.Rename Upgrade to ImageCopy to better reflect its functionality.Make error_margin an optional parameter for ValidateTraffic.Implement reboot and gNMI config push helpers.Create flags to skip NSF Upgrade and traffic to only test NSF Reboot.Implement the ImageCopy reusable helper and reuse it in other helpers and NSF test skeleton.Create a reusable Reboot method to perform reboot on the SUT with the given reboot method.

[VSuryaprasad-HCL]

Keyword Check:
~/sonic-buildimage/src/sonic-p4rt/sonic-pins$ ~/tools/keyword_checks.sh .
Keyword check Passed.

Build Result:
/sonic/src/sonic-p4rt/sonic-pins$ bazel build $BAZEL_BUILD_OPTS ...
INFO: Analyzed 686 targets (0 packages loaded, 0 targets configured).
INFO: Found 686 targets...
INFO: Elapsed time: 19.677s, Critical Path: 18.89s
INFO: 7 processes: 1 internal, 6 linux-sandbox.
INFO: Build completed successfully, 7 total actions

Test Result:
/sonic/src/sonic-p4rt/sonic-pins$ bazel test $BAZEL_BUILD_OPTS --cache_test_results=no ...
INFO: Analyzed 686 targets (0 packages loaded, 0 targets configured).
INFO: Found 469 targets and 217 test targets...
INFO: Elapsed time: 193.051s, Critical Path: 117.83s
INFO: 271 processes: 326 linux-sandbox, 18 local.
INFO: Build completed successfully, 271 total actions
//dvaas:port_id_map_test PASSED in 0.8s
//dvaas:test_run_validation_golden_test PASSED in 0.1s
//dvaas:test_run_validation_test PASSED in 0.6s
//dvaas:test_run_validation_test_runner PASSED in 0.0s
//dvaas:test_vector_stats_diff_test PASSED in 0.1s
//dvaas:test_vector_stats_test PASSED in 0.0s
//dvaas:test_vector_test PASSED in 0.6s
//dvaas:user_provided_packet_test_vector_diff_test PASSED in 0.1s
//sai_p4/instantiations/google:sai_nonstandard_platforms_cc_test PASSED in 0.6s
//sai_p4/instantiations/google:sai_p4info_fetcher_test PASSED in 0.8s
//sai_p4/instantiations/google:sai_p4info_test PASSED in 1.3s
//sai_p4/instantiations/google:sai_pd_proto_test PASSED in 0.0s
//sai_p4/instantiations/google:sai_pd_util_test PASSED in 0.6s
//sai_p4/instantiations/google:tor_p4info_up_to_date_test PASSED in 0.1s
//sai_p4/instantiations/google:union_p4info_up_to_date_test PASSED in 0.1s
//sai_p4/instantiations/google:wbb_p4info_up_to_date_test PASSED in 0.1s
//sai_p4/instantiations/google/test_tools:table_entry_generator_helper_test PASSED in 1.3s
//sai_p4/instantiations/google/test_tools:test_entries_test PASSED in 0.9s
//sai_p4/instantiations/google/tests:p4_fuzzer_integration_test PASSED in 3.4s
//sai_p4/tools:p4info_tools_test PASSED in 0.6s
//sai_p4/tools:packetio_tools_test PASSED in 0.9s
//tests:thinkit_gnmi_interface_util_tests PASSED in 1.2s
//tests/lib:p4info_helper_test PASSED in 0.8s
//tests/lib:p4rt_fixed_table_programming_helper_test PASSED in 0.8s
//tests/lib:packet_generator_test PASSED in 27.2s
//tests/lib:switch_test_setup_helpers_golden_test PASSED in 0.1s
//tests/lib:switch_test_setup_helpers_golden_test_runner PASSED in 0.1s
//tests/qos:gnmi_parsers_test PASSED in 0.1s
//tests/qos:gnmi_parsers_test_runner PASSED in 0.1s
//tests/sflow:sflow_util_test PASSED in 6.9s
//thinkit:bazel_test_environment_test PASSED in 0.6s
//thinkit:generic_testbed_test PASSED in 0.9s
//thinkit:mock_control_device_test PASSED in 0.7s
//thinkit:mock_generic_testbed_test PASSED in 0.7s
//thinkit:mock_mirror_testbed_test PASSED in 0.7s
//thinkit:mock_ssh_client_test PASSED in 0.0s
//thinkit:mock_switch_test PASSED in 0.8s
//thinkit:mock_test_environment_test PASSED in 0.1s
//thinkit:switch_test PASSED in 0.7s
//sai_p4/instantiations/google/tests:p4_constraints_integration_test PASSED in 1.0s
Stats over 5 runs: max = 1.0s, min = 0.7s, avg = 0.8s, dev = 0.1s
//sai_p4/instantiations/google/test_tools:table_entry_generator_test PASSED in 44.2s
Stats over 50 runs: max = 44.2s, min = 0.8s, avg = 5.5s, dev = 12.8s

Executed 217 out of 217 tests: 217 tests pass.
INFO: Build completed successfully, 271 total actions

[mssonicbld]

/azp run

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[mssonicbld]

/azp run

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[jaanah-hcl]

@kishanps Kindly review the PR

[mssonicbld]

/azp run

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[mssonicbld]

/azp run

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