Frameworks & SystemUI - additional DC-HSPAP support

This commit adds some more informations about Dual-Carrier HSPAP
It allows displaying a "DC" icon on status bar for compatible devices
and add a "DCHSPAP" value in state phone

Change-Id: I77d05e23c8ad3efdfeb19cf06ed92e7c57105ebe

Conflicts:
	packages/SystemUI/res/values/cm_strings.xml

Author:    matt73300 <matthias.bosc@gmail.com>