DoubleClick ADX bidrequest and bidrespone json2proto and proto2json utils

Convert DoubleClick ADX json format bidrequest and bidrespone to protobuf format

• Command: json2proto <REQ|RES> <DOUBLECLICK_REQUEST/RESPONSE_JSON_FILE_PATH>

• Example: json2proto REQ bidrequest.json

Convert DoubleClick ADX protobuf format bidrequest and bidrespone to json format

• Command: proto2json <REQ|RES> <DOUBLECLICK_REQUEST/RESPONSE_PROTOBUF_FILE_PATH>

• Example: proto2json REQ bidrequest.proto