Framework/Uiautomator: Adds Ui Swipe functions

wa/framework/uiauto/app/src/main/java/com/arm/wa/uiauto/BaseUiAutomation.java

@@ -258,6 +258,14 @@ public class BaseUiAutomation {
         }
     }
 
+    public void uiDeviceSwipeVertical(int startY, int endY, int xCoordinate, int steps) {
+        mDevice.swipe(startY, xCoordinate, endY, xCoordinate, steps);
+    }
+
+    public void uiDeviceSwipeHorizontal(int startX, int endX, int yCoordinate, int steps) {
+        mDevice.swipe(startX, yCoordinate, endX, yCoordinate, steps);
+    }
+
     public void uiObjectVertPinchIn(UiObject view, int steps, int percent) throws Exception {
         final int FINGER_TOUCH_HALF_WIDTH = 20;