NetworkThread::asyncCall: Do not make event persistant.
NetworkThread::asyncCall: Do not make event persistant.

Does not change anything since event gets deleted in callback, but cleare.

Change-Id: I3c5836001ef18bfeaaa18640668b5ae5d4d0f136

vbarbaresi/libqi,aldebaran/libqi,aldebaran/libqi-java,aldebaran/libqi-java,aldebaran/libqi,aldebaran/libqi-java,bsautron/libqi,aldebaran/libqi