Add ByteString support for RCSResourceAttributes JAVA and JNI.

Add ByteString support for RCSResourceAttributes JAVA and JNI.

ByteString(Binary) was added in the Value of OCRepresentation.
But, RE layer does not covered ByteString type.
In this patch, ByteString type is added in RE layer
for synchronization with OC.

patch 2 : Fix memory leak

Change-Id: I5e52fea9b7d4b5b09384fa24446f550d93b89395
Signed-off-by: koushik.girijala <g.koushik@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16029
Reviewed-by: Abhishek Pandey <abhi.siso@samsung.com>
Reviewed-by: JungYong KIM <jyong2.kim@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Uze Choi <uzchoi@samsung.com>