Disable WebRtcBrowserTest.CanForwardRemoteStream on 'CFI Linux' buildbot.

testing/buildbot/chromium.fyi.json

 {
   "Android Asan Builder Tests (dbg)": {
     "gtest_tests": [
       {
         "args": [
           "--tool=asan"
         ],
         "test": "android_webview_unittests"
       },
       {
@@ skipping 479 matching lines @@
         },
         "test": "components_unittests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "compositor_unittests"
       },
       {
+        "args": [
+          "--gtest_filter=-WebRtcBrowserTest.CanForwardRemoteStream"
+        ],
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "content_browsertests"
       },
       {
         "swarming": {
           "can_use_on_swarming_builders": true
         },
         "test": "content_unittests"
@@ skipping 7873 matching lines @@
       },
       {
         "args": [
           "--isolate-extensions"
         ],
         "test": "unit_tests"
       }
     ]
   }
 }