tree 688ce99b8168d8b3ce63e7be03831b0831bfa5a8
parent 90ccacf65fb1108568483e6116d2fa5c8bb0ca0c
author June Tate-Gans <jtgans@google.com> 1549394376 -0800
committer June Tate-Gans <jtgans@google.com> 1549395120 -0800

devices: Add a wait-for-device command

It's kinda a pain to have to constantly run devices repeatedly until we get some
devices. Let's do a wait-for-device command to help with this.

Change-Id: Iae8c00109a0405235518533f30b9a94a95190dba