Disable soft-context-menu layout test to enable TypeScript migration

Change-Id: Id80b71dbd68ed0cd390bdb804ed9378cc6ac3f3d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2550029Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
Commit-Queue: Jack Franklin <jacktfranklin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#829260}

third_party/blink/web_tests/TestExpectations

@@ -6006,3 +6006,6 @@ crbug.com/1149987 external/wpt/websockets/Create-blocked-port.any.html [ Pass Ti
 crbug.com/1149987 external/wpt/websockets/Create-blocked-port.any.worker.html [ Pass Timeout ]
 crbug.com/1150518 [ Win ] virtual/gpu/fast/canvas/canvas-composite-shadow.html [ Pass Timeout ]
 crbug.com/1150475 fast/dom/open-and-close-by-DOM.html [ Pass Failure ]
+
+# Skip to land change in frontend (https://crrev.com/c/2550061) before this layout test can be updated
+crbug.com/1150854 http/tests/devtools/unit/soft-context-menu.js [ Skip ]