add polyline option

libraries/mogo-map-api/src/main/java/com/mogo/map/overlay/MogoPolylineOptions.java

@@ -30,6 +30,7 @@ public class MogoPolylineOptions {
     private float mTransparency = 1.0F;
     private boolean mIsAboveMaskLayer = false;
     private boolean mIsPointsUpdated = false;
+    private List< Integer > mColorValues;
 
     public MogoPolylineOptions() {
         this.mPoints = new ArrayList<>();
@@ -168,6 +169,15 @@ public class MogoPolylineOptions {
         return this;
     }
 
+    /**
+     * @param colors
+     * @return
+     */
+    public MogoPolylineOptions colorValues( List< Integer > colors ) {
+        mColorValues = colors;
+        return this;
+    }
+
     public List< MogoLatLng > getPoints() {
         return mPoints;
     }
@@ -211,4 +221,8 @@ public class MogoPolylineOptions {
     public boolean isPointsUpdated() {
         return mIsPointsUpdated;
     }
+
+    public List< Integer > getColorValues() {
+        return mColorValues;
+    }
 }