Support for compliance checking testing

Updated to conformance generator to not generate tests with results for
compliance tests.
Updated test runner to run compliance mode version (precise & abs mode)
of reference model to create test results to use against SUT results.
Updated reference model to enable abs_mode on correct desc.json flags.
Updated test checker to support compliance checking using verifier lib.
Seperated color printing from test checker.

Change-Id: I7e2fbfc6883916caa5d94d4ece122c48bf45f530
Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
diff --git a/verif/conformance/tosa_verif_conformance_generator.py b/verif/conformance/tosa_verif_conformance_generator.py
index 564617b..c9a0b3a 100644
--- a/verif/conformance/tosa_verif_conformance_generator.py
+++ b/verif/conformance/tosa_verif_conformance_generator.py
@@ -234,6 +234,14 @@
         )
 
     for test in tests:
+        desc = test / "desc.json"
+        with desc.open("r") as fd:
+            test_desc = json.load(fd)
+        if "meta" in test_desc and "compliance" in test_desc["meta"]:
+            logger.info(
+                f"Skipping generating results for new compliance test - {str(test)}"
+            )
+            continue
         ref_cmd = ref_cmd_base.copy()
         ref_cmd.append(str(test))
         ref_cmds.append(ref_cmd)