Make absolute input reporting in Solaris aware of resolution changes

Currently on Solaris absolute input reporting only takes resolution changes
into account when the video driver is using the pre-RandR 1.2 APIs, and
there it uses the physical resolution, not the virtual.  This patch fixes
those two things.

Signed-off-by: Michael Thayer <michael.thayer@oracle.com>
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>