DevTools: disable inspector-protocol/network/interception-file-url.js

The test doesn't work with network service.

BUG=812464
TBR=caseq

Cq-Include-Trybots: master.tryserver.chromium.linux:linux_mojo
Change-Id: I41e101c08f2ea873ff97c01cce5d3bce989c4543
Reviewed-on: https://chromium-review.googlesource.com/1013043Reviewed-by: Andrey Lushnikov <lushnikov@chromium.org>
Commit-Queue: Andrey Lushnikov <lushnikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#550787}

third_party/WebKit/LayoutTests/FlagExpectations/enable-features=NetworkService

@@ -87,3 +87,5 @@ crbug.com/829721 fast/dom/HTMLAnchorElement/anchor-download.html [ Crash ]
 crbug.com/829721 fast/dom/HTMLAnchorElement/anchor-nodownload-set.html [ Crash ]
 crbug.com/829721 fast/dom/HTMLAreaElement/area-download.html [ Crash ]
 crbug.com/829721 http/tests/security/anchor-download-allow-blob.html [ Crash ]
+
+crbug.com/812464 inspector-protocol/network/interception-file-url.js [ Pass Crash ]