Improve print options click to open behavior.

When print options are closed we show a summary and a handle to open
the options panel. Often the user instinctively clicks on the summary
and also the expand handle is a somehow small target. To improve user
experience clicking on the summary also opens the print options.

Change-Id: Ia2f3b80f5acf11b40af864729f67fa29e82729fc
1 file changed