tree 5fa2d491912d9cf46fb26e34a1bcfaadda80f145
parent 0031392b52086b5efcd8402d0127b7db1286dd1c
author Jinwoo Lee <jinwoo@google.com> 1552947776 -0700
committer Jinwoo Lee <jinwoo@google.com> 1552947776 -0700

[dev_finder] return error correctly when mdns start fails

The current error handling doesn't work because sending to `errChan`
blocks forever.

Bug: DX-931
Change-Id: I93be4735515446fda256d6c0e635e695590135e3