This helps the WinCairo port of WebKit use ANGLE; warning messages sent to stdout are causing layout test failures. Bug: angleproject:5432 Change-Id: Idc6d3061a2dbf13d5f118285aa9b8438542966aa Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2576038Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: James Darpinian <jdarpinian@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Kenneth Russell <kbr@chromium.org>
