AWS SDK V2 brave Instrumentation support for SQS 

The existing support for tracing via message attributes of an SQS message only appear to support the v1 API and it would be great to have v2 support, see https://github.com/openzipkin/zipkin-aws/tree/master/brave-instrumentation/aws-java-sdk-sqs for the v1 implementation.

I have currently been working on this myself and just creating tests so I will create a Pull Request when it is ready.