Enable mouse pointer on virtualbox qemux86 image

Open-webOS-DCO-1.0-Signed-off-by: Sapna Todwal <sapna.todwal@palm.com>

Change-Id: Ie73e7a428b3224a107479c8bbf85b4b91528e7a1
Reviewed-on: http://g2g.palm.com/1356
Reviewed-by: Build Verification
Tested-by: Sapna Todwal <sapna.todwal@palm.com>
Reviewed-by: Keith Derrick <keith.derrick@palm.com>
Tested-by: Keith Derrick <keith.derrick@palm.com>