Platform: api to fetch platform information

bin/dbus/cx.ring.Ring.PluginManagerInterface.xml

bin/dbus/dbuspluginmanagerinterface.hpp

bin/jni/plugin_manager_interface.i

src/client/plugin_manager_interface.cpp

src/jami/plugin_manager_interface.h

src/plugin/jamipluginmanager.cpp

src/plugin/jamipluginmanager.h

src/plugin/pluginsutils.cpp

src/plugin/pluginsutils.h