klte-common: fix bluetooth audio stutter

Change-Id: I5a2ed91ebbc35c5de6e31125d11bbf59ccef3668
(cherry picked from commit 55c26f82b23cea3c0741815173c4a79053d711c9)
Get rid of obsolete changes to ril

Change-Id: If42d88071136cdd42432ee8662991f1621c5f5d6
(cherry picked from commit 5ccf5a2b668d944baea2d706519bd42eed9a52ec)
klte-common: Address bcm2079x denial

Change-Id: Idbc527a62971436f524ab9621e50daed5279104a
(cherry picked from commit 3842b9efe42fceba70355813be0df004ccf3c9de)
klte-common: new and improved KlteRIL

Change-Id: I3f6847402e888ca2057b9c8cb85461f314fbd9c9

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

(cherry picked from commit 76941e00d5d2039d2912091db91896458db29c3d)