[Build System: Python] Renamed the Python lint validation test and updated the contents to match the other tests.

Author: Ross Bayer

validation-test/Python/python-lint.swift

@@ -0,0 +1,10 @@
+// Continuous integration for the OS X Platform also runs the tests in the
+// iPhone, Apple TV and Apple Watch simulators. We only need to run the
+// build_swift module unit-tests once per OSX Platform test run, rather than
+// once for each supported Apple device.
+
+// UNSUPPORTED: OS=ios
+// UNSUPPORTED: OS=tvos
+// UNSUPPORTED: OS=watchos
+
+// RUN: %{python} %utils/python_lint.py