split surface management from surface's buffers management

Change-Id: If3c5655d1231f8f0c49ba68f972b1b20c93b3f87
diff --git a/include/surfaceflinger/ISurfaceComposer.h b/include/surfaceflinger/ISurfaceComposer.h
index 3271cfd..dd44aa5 100644
--- a/include/surfaceflinger/ISurfaceComposer.h
+++ b/include/surfaceflinger/ISurfaceComposer.h
@@ -85,9 +85,12 @@
     /* create connection with surface flinger, requires
      * ACCESS_SURFACE_FLINGER permission
      */
-
     virtual sp<ISurfaceComposerClient> createConnection() = 0;
 
+    /* create a client connection with surface flinger
+     */
+    virtual sp<ISurfaceComposerClient> createClientConnection() = 0;
+
     /* retrieve the control block */
     virtual sp<IMemoryHeap> getCblk() const = 0;
 
@@ -123,6 +126,7 @@
         // Java by ActivityManagerService.
         BOOT_FINISHED = IBinder::FIRST_CALL_TRANSACTION,
         CREATE_CONNECTION,
+        CREATE_CLIENT_CONNECTION,
         GET_CBLK,
         OPEN_GLOBAL_TRANSACTION,
         CLOSE_GLOBAL_TRANSACTION,