Updated minimum required version for C extension to 7.0. (#7730)
Updated minimum required version for C extension to 7.0. (#7730)


google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf