Spurious output on Windows tests: AQMEIOManager::FindIOUnit: error -1

Spurious output on Windows tests: AQMEIOManager::FindIOUnit: error -1
https://bugs.webkit.org/show_bug.cgi?id=142929

Reviewed by Brent Fulgham.

Tools:

Silence the logging. We'll track fixing the root cause in Radar.

* Scripts/webkitpy/port/mac.py:
(MacPort.stderr_patterns_to_strip): Added a FIXME.

* Scripts/webkitpy/port/win.py:
(WinPort.logging_patterns_to_strip): Added.

LayoutTests:

* platform/win/TestExpectations: Unskip some newly added tests that are affected.
We still skip the whole media directory - updating the results and unskipping those
tests would be a separate project.

git-svn-id: https://svn.webkit.org/repository/webkit/trunk@189595 268f45cc-cd09-0410-ab3c-d52691b4dbfc