[roctx] Python bindings for rocprofiler-sdk-roctx (#402)

* [roctx] Python bindings for rocprofiler-sdk-roctx

* Update CHANGELOG

---------

Co-authored-by: Jonathan R. Madsen <jonathanrmadsen@gmail.com>

tests/python-bindings/pytest.ini

@@ -0,0 +1,5 @@
+
+[pytest]
+addopts = --durations=20 -rA -s -vv
+testpaths = validate.py
+pythonpath = @ROCPROFILER_SDK_TESTS_BINARY_DIR@/pytest-packages