Update remote runner to set return_code to -9 on timeout. This way it's consistent with local runner and old paramiko based runner.
Update remote runner to set return_code to -9 on timeout. This way it's
consistent with local runner and old paramiko based runner.

tonybaloney/st2,StackStorm/st2,lakshmi-kannan/st2,nzlosh/st2,dennybaa/st2,pixelrebel/st2,Plexxi/st2,StackStorm/st2,pixelrebel/st2,punalpatel/st2,emedvedev/st2,alfasin/st2,lakshmi-kannan/st2,lakshmi-kannan/st2,peak6/st2,tonybaloney/st2,Plexxi/st2,nzlosh/st2,alfasin/st2,StackStorm/st2,StackStorm/st2,alfasin/st2,punalpatel/st2,Plexxi/st2,armab/st2,pixelrebel/st2,punalpatel/st2,peak6/st2,armab/st2,dennybaa/st2,peak6/st2,dennybaa/st2,armab/st2,nzlosh/st2,emedvedev/st2,Plexxi/st2,emedvedev/st2,tonybaloney/st2,nzlosh/st2