Added event handling for Modem Power Level indication.
Added APIs for data connection Enable/Disable, Set APN, check selected APN.

Merging kwd commit 7c5815e9539184e60885834d5f3608c04f5fa012 with changes.
Update Common's make file.
Update data enable API call.

Change-Id: I26453f4a15b6f78e51fd360b18ca625047a648d6

Conflicts:
	Tools/sl4a/Common/Android.mk
3 files changed