Wrap some IpServer commands

This is no-op change. Preparing for refactor.

Test: atest TetheringTests
Change-Id: I8fb67cbc95074e990074f08b5fe6afe7dfd28382
diff --git a/Tethering/src/android/net/ip/IpServer.java b/Tethering/src/android/net/ip/IpServer.java
index 0a34669..8cf13d3 100644
--- a/Tethering/src/android/net/ip/IpServer.java
+++ b/Tethering/src/android/net/ip/IpServer.java
@@ -378,6 +378,11 @@
         return Collections.unmodifiableList(mDhcpLeases);
     }
 
+    /** Enable this IpServer. IpServer state machine will be tethered or localHotspot state. */
+    public void enable(final int requestedState, final TetheringRequestParcel request) {
+        sendMessage(CMD_TETHER_REQUESTED, requestedState, 0, request);
+    }
+
     /** Stop this IpServer. After this is called this IpServer should not be used any more. */
     public void stop() {
         sendMessage(CMD_INTERFACE_DOWN);