initiate Tracking
Attaches (or replaces) a Mobile Tracking adapter to this account. No network calls are made until the first event is fired. May be called any time after construction.
Requires a Context to have been supplied to the constructor (it backs the persistent device cookie). Calling this without a Context throws IllegalStateException.
Parameters
config
the session metadata applied to the tracker.
Throws
when no Context was supplied to the constructor.