MountService: Add support for renaming secure containers

Signed-off-by: San Mehat <san@google.com>
diff --git a/services/java/com/android/server/MountService.java b/services/java/com/android/server/MountService.java
index 0cee31d..353da12 100644
--- a/services/java/com/android/server/MountService.java
+++ b/services/java/com/android/server/MountService.java
@@ -1056,6 +1056,11 @@
         mConnector.doCommand(cmd);
     }
 
+    public void renameSecureContainer(String oldId, String newId) throws IllegalStateException {
+        String cmd = String.format("rename_asec %s %s", oldId, newId);
+        mConnector.doCommand(cmd);
+    }
+
     public String getSecureContainerPath(String id) throws IllegalStateException {
         ArrayList<String> rsp = mConnector.doCommand("asec_path " + id);