Add tracing to the query server (#454)
Add tracing to the query server (#454)

The standalone query server already has tracing enabled. This is a
trivial parity patch.

Signed-off-by: Robert Collins <a2625afd9a2a1367fa2df61966453044ff840158@vmware.com>
jpkrohling/jaeger,pavolloffay/jaeger,pavolloffay/jaeger,uber/jaeger,jaegertracing/jaeger,uber/jaeger,jaegertracing/jaeger,jpkrohling/jaeger,jaegertracing/jaeger,jaegertracing/jaeger,NeoCN/jaeger,uber/jaeger,NeoCN/jaeger,pavolloffay/jaeger,jpkrohling/jaeger,jaegertracing/jaeger,jpkrohling/jaeger,uber/jaeger,pavolloffay/jaeger,NeoCN/jaeger,jpkrohling/jaeger,pavolloffay/jaeger,NeoCN/jaeger