multiples coverity fixes

Change-Id: I3ac4d673b344edb47103131169d8d754d43e2e6f
Reviewed-on: http://gerrit.aldebaran.lan:8080/10014
Reviewed-by: hcuche <hcuche@aldebaran-robotics.com>
Tested-by: cgestes <gestes@aldebaran-robotics.com>
Always build dynamically for Android

Change-Id: I50b8eaf4a1bf4dc0e21fa3f5743de79a0185ee85
Reviewed-on: http://gerrit.aldebaran.lan:8080/9872
Reviewed-by: cgestes <gestes@aldebaran-robotics.com>
Tested-by: proullon <proullon@aldebaran-robotics.com>
future: infinite wait by default (instead of 30secs)

Change-Id: I276b781f9dd95f407bcd4c70b51c3a6b86347c61
Reviewed-on: http://gerrit.aldebaran.lan:8080/10078
Reviewed-by: mnottale <mnottale@aldebaran-robotics.com>
Tested-by: cgestes <gestes@aldebaran-robotics.com>