DevTools: Roll Closure compiler to patched 8be3f6456fd803ff57d891c8884989d6e8ba0dff

compiler.jar incorporates a fix to the Closure compiler github issue #687

BUG=425506
R=vsevik

Review URL: https://codereview.chromium.org/692833002

git-svn-id: svn://svn.chromium.org/blink/trunk@184650 bbb929c8-8fbe-4397-9dbb-9b2b20218538