[Sheriff] Update MSANExpectations after crrev.com/776545

external/wpt/html/canvas/offscreen/filter/offscreencanvas.filter.w.html
has been renamed to
external/wpt/html/canvas/offscreen/manual/filter/offscreencanvas.filter.w.html.

TBR=aaronhk@chromium.org

No-Try: true
Bug: 1093192,1041052,1091267
Change-Id: Ic488ff1a87cce9d27d770dfbaa745c658d572978
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2237584Reviewed-by: Kunihiko Sakamoto <ksakamoto@chromium.org>
Commit-Queue: Kunihiko Sakamoto <ksakamoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#776846}

third_party/blink/web_tests/MSANExpectations

@@ -147,7 +147,7 @@ crbug.com/856601 [ Linux ] virtual/controls-refresh/color/color-picker-manual-co
 crbug.com/856601 [ Linux ] external/wpt/compression/compression-stream.tentative.any.serviceworker.html [ Pass Timeout ]
 
 # Sheriff 2020-01-10
-crbug.com/1041052 [ Linux ] external/wpt/html/canvas/offscreen/filter/offscreencanvas.filter.w.html [ Timeout ]
+crbug.com/1041052 [ Linux ] external/wpt/html/canvas/offscreen/manual/filter/offscreencanvas.filter.w.html [ Timeout ]
 crbug.com/1041052 [ Linux ] external/wpt/html/canvas/element/fill-and-stroke-styles/canvas_colorsandstyles_createlineargradient_001.htm [ Timeout ]
 
 # Sheriff 2020-02-10