Forward double-click events
Forward double-click events

Double-clicks were not sent to the device anymore since the
"double-click on black borders" feature.

When a double click occurs inside the device screen, send the event to
the device normally.

Fixes <https://github.com/Genymobile/scrcpy/issues/97>.

Genymobile/scrcpy,Genymobile/scrcpy,Genymobile/scrcpy