Get rid of the "pid" parameter from createSurface

Change-Id: I28635e3f803e6abe965d79998e305f54a202465d
diff --git a/cmds/bootanimation/BootAnimation.cpp b/cmds/bootanimation/BootAnimation.cpp
index e07495d..f987d61 100644
--- a/cmds/bootanimation/BootAnimation.cpp
+++ b/cmds/bootanimation/BootAnimation.cpp
@@ -212,7 +212,7 @@
 
     // create the native surface
     sp<SurfaceControl> control = session()->createSurface(
-            getpid(), 0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
+            0, dinfo.w, dinfo.h, PIXEL_FORMAT_RGB_565);
     session()->openTransaction();
     control->setLayer(0x40000000);
     session()->closeTransaction();