Merge pull request #710 from dpogue/cookie-deprecation

Fix deprecation warning in SystemCookieManager

framework/src/org/apache/cordova/engine/SystemCookieManager.java

@@ -57,6 +57,7 @@ class SystemCookieManager implements ICordovaCookieManager {
         return cookieManager.getCookie(url);
     }
 
+    @SuppressWarnings("deprecation")
     public void clearCookies() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
             cookieManager.removeAllCookies(null);