Update gitignore (suppress auto test binaries)
Update gitignore (suppress auto test binaries)

Change-Id: Ie99f063c35f4c7ff66cca86532d2453ee1b98199
Reviewed-by: Aaron McCarthy <fd47055c798be0f4eb798b431595a9333a5352a4@gmail.com>

kobolabs/qtconnectivity,kobolabs/qtconnectivity,kobolabs/qtconnectivity