Add blackberry backend

Change-Id: I88be743f0cad94d4beabdae917758be7e4293bfd
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Dmytro Poplavskiy <dmytro.poplavskiy@nokia.com>

src/plugins/blackberry/blackberry.pro

@@ -0,0 +1,35 @@
+load(qt_module)
+
+TARGET = qtmedia_blackberry
+QT += multimedia-private gui-private
+CONFIG += no_private_qt_headers_warning
+
+PLUGIN_TYPE=mediaservice
+
+load(qt_plugin)
+DESTDIR = $$QT.multimedia.plugins/$${PLUGIN_TYPE}
+LIBS += -lmmrndclient -lstrm -lscreen
+
+HEADERS += \
+    bbserviceplugin.h \
+    bbmediaplayerservice.h \
+    bbmediaplayercontrol.h \
+    bbmetadata.h \
+    bbutil.h
+
+SOURCES += \
+    bbserviceplugin.cpp \
+    bbmediaplayerservice.cpp \
+    bbmediaplayercontrol.cpp \
+    bbmetadata.cpp \
+    bbutil.cpp
+
+!isEmpty(QT.widgets.name) {
+    HEADERS += bbvideowindowcontrol.h
+    SOURCES += bbvideowindowcontrol.cpp
+}
+
+OTHER_FILES += blackberry.json
+
+target.path += $$[QT_INSTALL_PLUGINS]/$${PLUGIN_TYPE}
+INSTALLS += target