add compositor-attribute-change-worker.html [Timeout] to TestExpectations

BUG=624712
TBR=sadrul

Review-Url: https://codereview.chromium.org/2117733002
Cr-Commit-Position: refs/heads/master@{#403429}

third_party/WebKit/LayoutTests/ASANExpectations

@@ -117,4 +117,4 @@ crbug.com/572723 [ Linux ] inspector/sources/debugger/debugger-completions-on-ca
 # Intentionally failed allocations, via partitionAllocGenericFlags()
 crbug.com/577889 [ Linux ] fast/js/typed-array-allocation-failure.html [ Crash ]
 
-crbug.com/624712 [ Linux ] virtual/threaded/fast/compositorworker/compositor-attribute-change-worker.html [Timeout]
+crbug.com/624712 [ Linux ] virtual/threaded/fast/compositorworker/compositor-attribute-change-worker.html [ Timeout ]

third_party/WebKit/LayoutTests/TestExpectations

@@ -1392,6 +1392,8 @@ crbug.com/622672 [ Mac ] virtual/threaded/fast/scroll-behavior/overflow-interrup
 crbug.com/624023 virtual/threaded/fast/compositorworker/basic-plumbing-worker-to-main.html [ Pass Timeout ]
 crbug.com/624023 virtual/threaded/fast/compositorworker/basic-plumbing-main-to-worker.html [ Pass Timeout ]
 
+crbug.com/624712 virtual/threaded/fast/compositorworker/compositor-attribute-change-worker.html [ Timeout ]
+
 crbug.com/624430 [ Win10 ] fast/text/font-features/caps-casemapping.html [ Failure ]
 
 crbug.com/624709 [ Win ] virtual/gpu-rasterization/fast/images/png-with-color-profile.html [ Failure ]