Summary:
Observed that a few requests tend to timeout when using Flipper with flipper-server.
Increasing timeout to 45s as to be a bit more flexible.
'exec' operations don't have a timeout when not using flipper-server.
Reviewed By: antonk52
Differential Revision: D37955108
fbshipit-source-id: 5d8ef7f066d6b316e4b485b281a015794b5bd2de