Disable nfc webkit tests

They are failing with timeout on linux.

TBRing the most recent author

BUG=725455
TBR=shalamov
NOTRY=TRUE

Review-Url: https://codereview.chromium.org/2896253002
Cr-Commit-Position: refs/heads/master@{#473877}

third_party/WebKit/LayoutTests/TestExpectations

@@ -3127,7 +3127,7 @@ crbug.com/725016 [ Win ] storage/indexeddb/objectstore-keycursor.html [ Skip ]
 
 # Sheriff failures 2017-05-23
 crbug.com/725470 [ Mac ] editing/shadow/doubleclick-on-meter-in-shadow-crash.html [ Failure Pass ]
-crbug.com/725455 [ Linux ] nfc/mock-nfc.html [ Failure ]
-crbug.com/725455 [ Linux ] nfc/nfc-block-iframe.html [ Failure ]
-crbug.com/725455 [ Linux ] nfc/push.html [ Failure ]
-crbug.com/725455 [ Linux ] nfc/watch.html [ Failure ]
+crbug.com/725455 [ Linux ] nfc/mock-nfc.html [ Failure Pass Timeout ]
+crbug.com/725455 [ Linux ] nfc/nfc-block-iframe.html [ Failure Pass Timeout ]
+crbug.com/725455 [ Linux ] nfc/push.html [ Failure Pass Timeout ]
+crbug.com/725455 [ Linux ] nfc/watch.html [ Failure Pass Timeout ]