add epoll_pwait to secomp profile
add epoll_pwait to secomp profile

Last year golang changed from epoll_wait to epoll_pwait https://github.com/golang/go/issues/23750

This causes golang panic errors on mac when running secomp secure compiles using docker 18.09.1. It may start to become a problem on linux where we are running on 17.03.2-ce in production.

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