Changed the default for tap-to-click to true.
Changed the default for tap-to-click to true.

BUG=chromium-os:9342
TEST=Check that tap-to-click is on on login screen and for users with default setting.

Review URL: http://codereview.chromium.org/5146003

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@66612 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser