dlx: add libCB

Change-Id: Iee7562c5a517ba21fe621cbdc168aa26116a2e0d
Revert "dlx: build.prop: Remove telephony.rilV7NeedCDMALTEPhone"

This reverts commit 18a998a240eccbee7cdd3c4cfad211f513112406.
Revert "dlx: Remove NEW_LIBRIL_HTC"

This reverts commit da49805893d0ddfdbecc416608748fbdc8f8b416.