Update the location of extract_actions.py in comments.

The file was moved in r191811.

BUG=none
TEST=none
R=isherman@chromium.org
TBR=achuith@chromium.org, joi@chromium.org

Review URL: https://codereview.chromium.org/100453005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238423 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238423
Revert of https://codereview.chromium.org/99103004/
Reason for revert: Bug 323749 still unresolved

TBR=
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/101543004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238424 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 238424