SF: Change renderEngine->re

Change compositionInfo.renderEngine to compositionInfo.re

Merged-in: I5fdad71c1c713516e3d3ac47f62817192a6c1fbc

Test: Compile/run manually
Change-Id: I5fdad71c1c713516e3d3ac47f62817192a6c1fbc
diff --git a/services/surfaceflinger/LayerBE.h b/services/surfaceflinger/LayerBE.h
index 1652e8d..3affdb7 100644
--- a/services/surfaceflinger/LayerBE.h
+++ b/services/surfaceflinger/LayerBE.h
@@ -78,7 +78,7 @@
     } hwc;
     struct {
         Mesh* mesh;
-    } renderEngine;
+    } re;
 };
 
 class LayerBE {