Adds some analytics events for getusermedia success or fail.
Adds some analytics events for getusermedia success or fail.

jitsi/lib-jitsi-meet,dmurtari/lib-jitsi-meet,jiyeyuran/lib-jitsi-meet,jitsi/lib-jitsi-meet,nevermind-corp/ljm,adambowles/lib-jitsi-meet,damencho/lib-jitsi-meet,dmurtari/lib-jitsi-meet,adambowles/lib-jitsi-meet