recorder: add remote recording indicator

bin/dbus/cx.ring.Ring.CallManager.xml

bin/dbus/dbusclient.cpp

bin/jni/callmanager.i

bin/jni/jni_interface.i

configure.ac

src/client/ring_signal.cpp

src/dring/callmanager_interface.h

src/media/video/video_rtp_session.cpp

src/media/video/video_rtp_session.h

src/sip/sipcall.cpp

src/sip/sipcall.h

src/sip/sipvoiplink.cpp