Merge changes from topic "200609_ViLTE_sync"
* changes:
Miscellaneous fixups for VT contribution update.
VT: ARTPWriter: Introduce Moderator logic
VT: ARTPWriter: Add traffic recorder
VT: Migration AAVCAssembler patches to AHEVCAssembler.
VT: Enhancements on RTP depacketizer (2)
VT: Refine codes in AAVCAssembler.
VT: RTCP:NACK implementation. (RFC-4585)
VT: Report all data about packet receiving up to application
VT: Enhancements on RTP depacketizer
VT: Enhancements on RTP packetizer.
VT: Added an interface to set JitterBufferTime.
VT: Some parameters not provided to encoder if source is surface.
VT: H265: prepend VPS/SPS/PPS to I-frame.
VT: Change to KMP algorithm for searching H.264 start prefix code
VT: ARTPWriter: StripStartcode() & SpsPpsParser() bug fix
revert ARTPWriter StripStartcode fix
media: further miscellaneous fixes to VT contribution
media: miscellaneous fixes to VT contribution
VT: DSCP implementation.
VT: SFR: Added missing rtp-param-opponent-id in stagefright.
VT: SFP: bind socket to specific network
VT: SFR: bind socket to specific network.
VT: Remove assertion in send() function.
VT: ARTPConnection: added an event to notify first-rtcp packet.
VT: Print assembler queue status for the first frame
VT: Enlarge jitter buffer range from 200ms to 300ms
VT: Postpone bitrate down for considering camera switch
VT: Rotation parameter should be applied only for video call.
VT: Add OMX_Video_ControlRateConstant feature
VT: OMX_ErrorStreamCorrupt should be skipped only for RTP scenario.