Disable layout tests broken for network service when landed.

These tests were broken by https://codereview.chromium.org/2789723003

NOTRY=true
TBR=scottmg@chromium.org
BUG=729849

Review-Url: https://codereview.chromium.org/2958443002
Cr-Commit-Position: refs/heads/master@{#481780}

third_party/WebKit/LayoutTests/FlagExpectations/enable-network-service

@@ -1524,15 +1524,21 @@ Bug(none) external/wpt/webmessaging/broadcastchannel/blobs.html [ Failure Timeou
 Bug(none) external/wpt/websockets/Secure-Send-binary-blob.htm [ Failure Timeout ]
 Bug(none) external/wpt/websockets/Send-binary-blob.htm [ Failure Timeout ]
 Bug(none) external/wpt/webusb/idlharness.https.html [ Failure Timeout ]
-Bug(none) external/wpt/webusb/usbConnectionEvent.https.html [ Timeout ]
 Bug(none) external/wpt/webusb/usb-allowed-by-feature-policy-attribute-redirect-on-load.https.sub.html [ Timeout ]
 Bug(none) external/wpt/webusb/usb-allowed-by-feature-policy-attribute.https.sub.html [ Failure Timeout ]
 Bug(none) external/wpt/webusb/usb-allowed-by-feature-policy.https.sub.html [ Failure Timeout ]
 Bug(none) external/wpt/webusb/usb-default-feature-policy.https.sub.html [ Failure Timeout ]
 Bug(none) external/wpt/webusb/usb-disabled-by-feature-policy.https.sub.html [ Failure Timeout ]
 Bug(none) external/wpt/webusb/usb-manual.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbConnectionEvent.https.html [ Timeout ]
 Bug(none) external/wpt/webusb/usbDevice-iframe.https.html [ Timeout ]
 Bug(none) external/wpt/webusb/usbDevice.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbInTransferResult.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbIsochronousInTransferPacket.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbIsochronousInTransferResult.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbIsochronousOutTransferPacket.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbIsochronousOutTransferResult.https.html [ Timeout ]
+Bug(none) external/wpt/webusb/usbOutTransferResult.https.html [ Timeout ]
 Bug(none) external/wpt/webvtt/rendering/cues-with-video/processing-model/selectors/cue_function/class_object/class_timestamp_future.html [ Failure Timeout ]
 Bug(none) external/wpt/workers/SharedWorker_blobUrl.html [ Failure Timeout ]
 Bug(none) external/wpt/workers/constructors/Worker/Blob-url.html [ Failure Timeout ]