Reenables blinking flow on async_blink. Adds a commented-out section to add usb serial sniffing.
Reenables blinking flow on async_blink.
Adds a commented-out section to add usb serial sniffing.

bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn,bakerstu/openmrn