Update stylus gesture to access quick settings to use the new buttons

In M+ BUTTON_STYLUS_PRIMARY/SECONDARY should be used to recognize stylus
button events, this CL updates the usage to open quick settings.

It also enables similar mouse button + drag events to open QS.

Bug: 21148238
Change-Id: I8a47eb9c3d5e2016e039ec52d881b36f3a4480fa