Enable event reporting of two participants.
Enable event reporting of two participants.

AppRTC will now report the ROOM_SIZE_2 event when two participants join
a room.

todotobe1/apprtc,YouthAndra/apprtc,webrtc/apprtc,procandi/apprtc,aadebuger/docker-apprtc,procandi/apprtc,JiYou/apprtc,YouthAndra/apprtc,samdutton/apprtc,webrtc/apprtc,bpyoung92/apprtc,jarl-alejandro/apprtc,TribeMedia/apprtc,virajs/apprtc,smadhusu/AppRTC,arnauorriols/apprtc,jarl-alejandro/apprtc,dengshaodong/docker-apprtc,mvenkatesh431/apprtc,mvenkatesh431/apprtc,TribeMedia/apprtc,fippo/apprtc,bpyoung92/apprtc,TribeMedia/apprtc,smadhusu/AppRTC,JiYou/apprtc,jiayliu/apprtc,TheKnarf/apprtc,todotobe1/apprtc,TheKnarf/apprtc,arnauorriols/apprtc,webrtc/apprtc,smadhusu/AppRTC,shelsonjava/apprtc,mvenkatesh431/apprtc,shelsonjava/apprtc,jarl-alejandro/apprtc,shelsonjava/apprtc,dengshaodong/docker-apprtc,YouthAndra/apprtc,82488059/apprtc,samdutton/apprtc,TribeMedia/apprtc,procandi/apprtc,samdutton/apprtc,todotobe1/apprtc,82488059/apprtc,dengshaodong/docker-apprtc,jiayliu/apprtc,mvenkatesh431/apprtc,virajs/apprtc,aadebuger/docker-apprtc,procandi/apprtc,arnauorriols/apprtc,procandi/apprtc,jarl-alejandro/apprtc,jiayliu/apprtc,mvenkatesh431/apprtc,bpyoung92/apprtc,dengshaodong/docker-apprtc,webrtc/apprtc,fippo/apprtc,TheKnarf/apprtc,TheKnarf/apprtc,samdutton/apprtc,todotobe1/apprtc,JiYou/apprtc,virajs/apprtc,82488059/apprtc,smadhusu/AppRTC,bpyoung92/apprtc,virajs/apprtc,dengshaodong/docker-apprtc,shelsonjava/apprtc,samdutton/apprtc,TribeMedia/apprtc,TheKnarf/apprtc,arnauorriols/apprtc,aadebuger/docker-apprtc,todotobe1/apprtc,82488059/apprtc,shelsonjava/apprtc,YouthAndra/apprtc,82488059/apprtc,arnauorriols/apprtc,aadebuger/docker-apprtc,fippo/apprtc,virajs/apprtc,jarl-alejandro/apprtc,bpyoung92/apprtc,JiYou/apprtc,smadhusu/AppRTC,jiayliu/apprtc,jiayliu/apprtc,aadebuger/docker-apprtc,fippo/apprtc,fippo/apprtc,JiYou/apprtc,YouthAndra/apprtc,webrtc/apprtc