added saving route duration

app/src/main/java/com/a1/nextlocation/data/RouteHandler.java

@@ -13,6 +13,15 @@ public enum RouteHandler {
     private int stepCount = 0;
     private RouteFinishedListener routeFinishedListener;
     private long startedTime;
+    private double currentRouteDuration;
+
+    public void setCurrentRouteDuration(double currentRouteDuration) {
+        this.currentRouteDuration = currentRouteDuration;
+    }
+
+    public double getCurrentRouteDuration() {
+        return currentRouteDuration;
+    }
 
     private Polyline currentRouteLine;
 
@@ -20,6 +29,7 @@ public enum RouteHandler {
         this.currentRouteLine = currentRouteLine;
     }
 
+
     public Polyline getCurrentRouteLine() {
         return currentRouteLine;
     }