Revert "Revert "klte-common: new and improved KlteRIL""

This reverts commit 8dcfa401c34104d4c361c397484b6ceb5f1b35be.
Revert "Get rid of obsolete changes to ril"

This reverts commit 5ccf5a2b668d944baea2d706519bd42eed9a52ec.

Conflicts:
	ril/telephony/java/com/android/internal/telephony/KlteRIL.java