Fixes android sense statistic graph issue

fixes https://github.com/wso2/product-iots/issues/1143

components/device-types/androidsense-plugin/org.wso2.carbon.device.mgt.iot.androidsense.ui/src/main/resources/jaggeryapps/devicemgt/app/units/cdmf.unit.device.type.android_sense.realtime.analytics-view/public/js/device-stats.js

@@ -75,6 +75,7 @@ var rotation_yData = [];
 var rotation_zData = [];
 
 var graphMap = {};
+var graphSettingsMap = {};
 
 var palette = new Rickshaw.Color.Palette({scheme: "munin"});
 
@@ -318,6 +319,7 @@ function disconnect() {
 }
 
 function maximizeGraph(graph, width,height){
+	graphSettingsMap[graph.element.id] = {'width': graph.width, 'height': graph.height};
 	graph.configure({
 		width: width*2,
 		height: height*2
@@ -327,9 +329,10 @@ function maximizeGraph(graph, width,height){
 }
 
 function minimizeGraph(graph){
+	var graphSettings = graphSettingsMap[graph.element.id];
 	graph.configure({
-        width: 366,
-        height: 300
+		width: graphSettings.width,
+		height: graphSettings.height
 	});
 	graph.update();
 }