Optional perfetto annotations (#206)

* Misc tweaks

- C API function print with warning colors
- split region/trace start/stop functions into regions.cpp file

* Config option for disabling perfetto annotations

* Missing checks in roctracer.cpp and sampling.cpp

* Verbose makefile in CI

* run-ci uses -VV

* Fix gcc-7 maybe-uninitialized warning

* Fix push/pop perfetto

- moving perfetto::EventContext was causing errors

scripts/run-ci.py

@@ -247,7 +247,7 @@ if __name__ == "__main__":
             "-S",
             os.path.join(args.binary_dir, "dashboard.cmake"),
             "--output-on-failure",
-            "-V",
+            "-VV",
         ]
         + ctest_args,
         check=True,