add zoneCnEast2

Author: YangSen-qn

library/src/main/java/com/qiniu/android/common/FixedZone.java

@@ -19,6 +19,13 @@ public final class FixedZone extends Zone {
             new String[]{"upload.qbox.me", "up.qbox.me"},
             "z0");
 
+    /**
+     * 华东浙江 2 机房
+     */
+    public static final Zone zoneCnEast2 = new FixedZone(new String[]{"upload-cn-east-2.qiniup.com", "up-cn-east-2.qiniup.com"},
+            null,
+            "cn-east-2");
+
     /**
      * 华北机房
      */