Android: Removed CAInitialize() call from the CA initializer.

Android: Removed CAInitialize() call from the CA initializer.

The early initialization call has prevented a proper propagation of the
configuration parameters into CA from ocstack.c. Therefore, IPv6 mode
was not available on Android.

Change-Id: Id90a1eb288ef80f08068113da2967e9ba0989483
Signed-off-by: Tim Kourt <tim.a.kourt@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/3943
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Rahul Rahul <rahul.rahul@intel.com>
Reviewed-by: Jon A. Cruz <jonc@osg.samsung.com>