[DevTools] Mark console-proxy.html test as NeedsManualRebaseline before V8 roll
[DevTools] Mark console-proxy.html test as NeedsManualRebaseline before V8 roll

V8 roll will add internal properties to proxy output.

BUG=588705
TBR=dgozman@chromium.org
NOTRY=true

Review-Url: https://codereview.chromium.org/1935133002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#390981}

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