Mark serviceworker-proxied/thorough/cors-preflight2-other-https.html crash on MSAN

TBR=imcheng@chromium.org
NOTRY=true

Bug: 736802
Change-Id: I9938a569ad9fe8001fe0b3385c519ca95ad9a70b
Reviewed-on: https://chromium-review.googlesource.com/548836Reviewed-by: Xida Chen <xidachen@chromium.org>
Commit-Queue: Xida Chen <xidachen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#482304}

third_party/WebKit/LayoutTests/MSANExpectations

@@ -39,6 +39,7 @@ crbug.com/462190 [ Linux ] inspector-protocol/heap-profiler/heap-snapshot-with-e
 
 crbug.com/671556 [ Linux ] virtual/mojo-loading/http/tests/security/xssAuditor/report-script-tag-replace-state.html [ Timeout Pass ]
 crbug.com/671556 [ Linux ] virtual/mojo-loading/http/tests/security/xssAuditor/report-script-tag.html [ Timeout Pass ]
+crbug.com/736802 [ Linux ] virtual/mojo-loading/http/tests/fetch/serviceworker-proxied/thorough/cors-preflight2-other-https.html [ Crash ]
 
 crbug.com/736370 [ Linux ] external/wpt/editing/run/removeformat.html [ Timeout ]
 crbug.com/736554 [ Linux ] external/wpt/IndexedDB/nested-cloning-large-multiple.html [ Timeout ]