Add missing members to RTCIceCandidate and related events.
Add missing members to RTCIceCandidate and related events.

PiperOrigin-RevId: 472830982

ChadKillingsworth/closure-compiler,google/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler,google/closure-compiler,google/closure-compiler,monetate/closure-compiler,monetate/closure-compiler,ChadKillingsworth/closure-compiler