fca3084 introduced an additional argument to ParseNativeHeap().
This CL updates the test to reflect the same.
Test: "python native_heapdump_viewer_tests.py" executes without
any errors.
Change-Id: I6c196205ead2cb6abd4a646a3ac53e62ae3e5038
This only includes a few tests to start with.
Bug: 62492960
Test: Ran new unit tests.
Test: Ran with all different options and verified it produces the same
Test: output as the previous script.
Change-Id: Iad29a5f04f49986139c92030a3259cae512859af