Updated android BLE code

Updated android BLE code

I have replaced previous property and permission code
with Property_Notify which mentioned OIC ble spec.
(https://workspace.openinterconnect.org/
 apps/org/workgroup/oswg/download.php/1568/
 OIC_BLE_Transport_Profile.pdf)

Change-Id: I7002ba70c9f0d267ef9f695c0cb3ee3688dd9a77
Signed-off-by: jihwan.seo <jihwan.seo@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/1532
Reviewed-by: Abhishek Sharma <ce.abhishek@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Erich Keane <erich.keane@intel.com>