Otherwise, if connection sharing is disabled and public key
authentication fails, the askpass tool is not invoked.
Change-Id: Iea8316675b8f270c924f822f340f6282b21450d5
Reviewed-by: hjk <hjk@qt.io>
Using rsync enables proper incremental deployment and is particularly
helpful when larger files are involved.
We check whether rsync works as part of the device test. If it does, it
becomes the default deploy step, otherwise we fall back to SFTP.
Change-Id: I6ab938ccd5acd7e0cbe07b90b6938dccad19bba5
Reviewed-by: hjk <hjk@qt.io>