faster iOS device connection
faster iOS device connection

Summary:
First connection attempt to iOS device was only made after 3000ms. This caused all iOS devices only show up after this delay.
Now, the devices are queried immediately.

Reviewed By: passy

Differential Revision: D9613057

fbshipit-source-id: a14e3f02576ec5e159f4002bf68efe53236dcc50

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