Merge pull request #8607 from ritzalam/track-voice-call-state

.../scala/org/bigbluebutton/core/apps/voice/VoiceApp2x.scala

...button/core/apps/voice/VoiceConfCallStateEvtMsgHdlr.scala

...ton/core/pubsub/senders/ReceivedJsonMsgHandlerActor.scala

...n/scala/org/bigbluebutton/core/running/MeetingActor.scala

...c/main/scala/org/bigbluebutton/core2/AnalyticsActor.scala

...n/freeswitch/voice/FreeswitchConferenceEventListener.java

...gbluebutton/freeswitch/voice/IVoiceConferenceService.java

...n/freeswitch/voice/events/FreeswitchStatusReplyEvent.java

...uebutton/freeswitch/voice/events/VoiceCallStateEvent.java

...button/freeswitch/voice/freeswitch/ConnectionManager.java

...ebutton/freeswitch/voice/freeswitch/ESLEventListener.java

...oice/freeswitch/actions/CheckFreeswitchStatusCommand.java

...witch/voice/freeswitch/actions/GetUsersStatusCommand.java

...org/bigbluebutton/freeswitch/VoiceConferenceService.scala

.../scala/org/bigbluebutton/common2/msgs/VoiceConfMsgs.scala

...c/main/java/org/freeswitch/esl/client/inbound/Client.java