Temporarily disable a DevTools test

Test disabled to land https://crrev.com/c/2245146.

Bug: chromium:1083146, chromium:1107339
Change-Id: I49fccfeed94c655b2a5f2893fe3b16cd25c90ca8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2306036Reviewed-by: Simon Zünd <szuend@chromium.org>
Commit-Queue: Philip Pfaffe <pfaffe@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Auto-Submit: Philip Pfaffe <pfaffe@chromium.org>
Cr-Commit-Position: refs/heads/master@{#789877}

third_party/blink/web_tests/TestExpectations

@@ -7035,6 +7035,9 @@ crbug.com/1101699 external/wpt/webrtc/RTCPeerConnection-setLocalDescription-answ
 crbug.com/1101699 external/wpt/webrtc/RTCPeerConnection-setLocalDescription-pranswer.html [ Pass Failure ]
 crbug.com/1101699 virtual/webrtc-wpt-plan-b/external/wpt/webrtc/RTCPeerConnection-setRemoteDescription-rollback.html [ Pass Failure ]
 
+# Temporarily disable to land a devtools change
+crbug.com/1107339 http/tests/devtools/extensions/extensions-api.js [ Pass Failure ]
+
 # Sheriff 2020-07-07
 # Additionally disabled on mac due to crbug.com/988248
 crbug.com/1083302 media/controls/volumechange-muted-attribute.html [ Pass Failure ]