Implementation of JNI for subscribe device presence to RD

Implementation of JNI for subscribe device presence to RD

Added JNI code for subscribeDevicePresence() of OCPlatform for converting
from Java to C++ and vice versa.

Change-Id: I852116b06c8b59ee16593572b47aaa80eb2fd1b5
Signed-off-by: Jaehong Jo <jaehong.jo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/10063
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: jihwan seo <jihwan.seo@samsung.com>
Reviewed-by: Hyuna Jo <hyuna0213.jo@samsung.com>
Reviewed-by: Ashok Babu Channa <ashok.channa@samsung.com>