async-http-client is marked for autoremoval from testing

[Debian testing autoremoval watch]

async-http-client 1.6.5-5 is marked for autoremoval from testing on 2018-09-09

It is affected by these RC bugs:
905859: async-http-client: async-http-client build depends on libnetty-3.9-java

It (build-)depends on packages with these RC bugs:
888255: netty-3.9: RM? Upstream dropped support, security important, newer version packaged