Add sequenced task runner include to feedback report.

R=msw@chromium.org, jam@chromium.org
BUG=None.

Review URL: https://codereview.chromium.org/132703003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248652 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248652