Check that rocket channel is destroyed in correct thread
Check that rocket channel is destroyed in correct thread

Summary: Attempt to surface thread-safety issues in regular test runs

Reviewed By: yfeldblum

Differential Revision: D28197918

fbshipit-source-id: bbaab80c2237635bf9e7673b8082d19d27c514d8

facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift,facebook/fbthrift