Add EdgeEffect#setColor

Bug: 15725269
Change-Id: Ifdb0a53d1f17e2433683e51d09588545b69e6238
diff --git a/core/java/android/widget/EdgeEffect.java b/core/java/android/widget/EdgeEffect.java
index 2502954..90fec23 100644
--- a/core/java/android/widget/EdgeEffect.java
+++ b/core/java/android/widget/EdgeEffect.java
@@ -286,6 +286,22 @@
         mTargetDisplacement = 0.5f;
     }
 
+    /**
+     * Set the color of this edge effect in argb.
+     *
+     * @param color Color in argb
+     */
+    public void setColor(int color) {
+        mPaint.setColor(color);
+    }
+
+    /**
+     * Return the color of this edge effect in argb.
+     * @return The color of this edge effect in argb
+     */
+    public int getColor() {
+        return mPaint.getColor();
+    }
 
     /**
      * Draw into the provided canvas. Assumes that the canvas has been rotated