Bug 1770504 - Disable test_mediarecorder_record_changing_video_resolution.html on Linux tsan/asan. r=aosmond,gfx-reviewers

test_mediarecorder_record_changing_video_resolution.html is very sensitive to timing,
and tsan/asan builds plus accelerated Canvas2D can mess with the timing enoug to cause
these tests to fail more frequently.

Differential Revision: https://phabricator.services.mozilla.com/D146982

dom/media/test/mochitest_media_recorder.ini

@@ -793,7 +793,9 @@ tags=mtg capturestream
 [test_mediarecorder_record_canvas_captureStream.html]
 skip-if = toolkit == 'android' # android(bug 1232305)
 [test_mediarecorder_record_changing_video_resolution.html]
-skip-if = toolkit == 'android' # android(bug 1232305)
+skip-if =
+  toolkit == 'android' # android(bug 1232305)
+  (os == "linux" && (tsan || asan || debug)) # 1770504 (high intermittent failure on Linux tsan)
 [test_mediarecorder_record_upsize_resolution.html]
 skip-if = toolkit == 'android' # android(bug 1232305)
 [test_mediarecorder_record_downsize_resolution.html]