Enabling build of simpleclientblescan application

Enabling build of simpleclientblescan application

A new android application "simpleclientblescan" was added recently
in commit 6d7c44e1c073d74ff117a456007156214b310f1c - The new app is
for android BLE client side, which enables BLE scan in app, and it will
show other devices around - User can select one from the list of devices
shown by app, app will connect to it - In this commit enabling the build
of the application

https://github.sec.samsung.net/RS7-IOTIVITY/IoTivity/pull/576/commits/7aa9c33abad299afed842f192dad6ef1e5d8dbac
(cherry-picked from 7aa9c33abad299afed842f192dad6ef1e5d8dbac)

Change-Id: Iad103f1397efb0c59693cad19fa597c0a725f65b
Signed-off-by: samanway-dey <samanway.dey@samsung.com>
Signed-off-by: Sudipto <sudipto.bal@samsung.com>