Revert to use DTLSv1_method as DTLSv1_2_method is not available for some Openssl
Revert to use DTLSv1_method as DTLSv1_2_method is not available for some Openssl

awslabs/amazon-kinesis-video-streams-webrtc-sdk-c,awslabs/amazon-kinesis-video-streams-webrtc-sdk-c,awslabs/amazon-kinesis-video-streams-webrtc-sdk-c,awslabs/amazon-kinesis-video-streams-webrtc-sdk-c