Fix the build.

There was an issue with current.xml from a previous backup related change. Joe blames the stage.
diff --git a/api/current.xml b/api/current.xml
index 39e9b4d..ec84c0d 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -21831,7 +21831,7 @@
 <method name="flush"
  return="void"
  abstract="false"
- native="false"
+ native="true"
  synchronized="false"
  static="false"
  final="false"
@@ -21842,7 +21842,7 @@
 <method name="write"
  return="void"
  abstract="false"
- native="false"
+ native="true"
  synchronized="false"
  static="false"
  final="false"
@@ -21855,7 +21855,7 @@
 <method name="write"
  return="void"
  abstract="false"
- native="false"
+ native="true"
  synchronized="false"
  static="false"
  final="false"
@@ -21868,7 +21868,7 @@
 <method name="write"
  return="void"
  abstract="false"
- native="false"
+ native="true"
  synchronized="false"
  static="false"
  final="false"
@@ -21885,7 +21885,7 @@
 <method name="writeKey"
  return="void"
  abstract="false"
- native="false"
+ native="true"
  synchronized="false"
  static="false"
  final="false"
@@ -21895,6 +21895,41 @@
 <parameter name="key" type="java.lang.String">
 </parameter>
 </method>
+<method name="writeOperation"
+ return="void"
+ abstract="false"
+ native="true"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="op" type="int">
+</parameter>
+</method>
+<field name="OP_DELETE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="2"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
+<field name="OP_UPDATE"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="1"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 </class>
 <class name="FileBackupHelper"
  extends="java.lang.Object"