[resource-hosting] Updated the Java SDK as per new folder structure.

[resource-hosting] Updated the Java SDK as per new folder structure.

- Updated SDK.
- Updated Android Sample Applications.

Change-Id: Ifea8bb81528dceea0879729b06bf0f90fe9beb05
Signed-off-by: Jay Sharma <jay.sharma@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/3251
Reviewed-by: Abhishek Pandey <abhi.siso@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Madan Lanka <lanka.madan@samsung.com>
(cherry picked from commit 1231ae73db59795d2571d9f67e7c6a72e0d443a9)
Reviewed-on: https://gerrit.iotivity.org/gerrit/3559