Replace old APIs with explicit addTransceivers#50

lherman-cs wants to merge 1 commit intodevelop-pre-2.3.0awslabs/amazon-kinesis-video-streams-webrtc-sdk-js:develop-pre-2.3.0from

issue-49awslabs/amazon-kinesis-video-streams-webrtc-sdk-js:issue-49Copy head branch name to clipboard