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
patch 1: add TelephonyManager to fix build
patch 2: modify ServiceState
patch 3: switch to cm_strings
patch 4: fix a mistake
patch 5: upload a new set of icons, a bit prettier than previous
patch 6: update icons (more opacity to match colors)
patch 7: removed drawable-sw*

here is a screenshot for example: http://imgur.com/mQ2du3l,PSyHoqC

Change-Id: I77d05e23c8ad3efdfeb19cf06ed92e7c57105ebe

Conflicts:
	packages/SystemUI/res/values/cm_strings.xml
	telephony/java/android/telephony/TelephonyManager.java