Disable GLES 2.x rendering

Bug 10340705

Change-Id: I91f3baf0d79655d8d031c100d0b116f745c2fbef
diff --git a/services/surfaceflinger/RenderEngine/RenderEngine.cpp b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
index ee51bd9..dc9cf4c 100644
--- a/services/surfaceflinger/RenderEngine/RenderEngine.cpp
+++ b/services/surfaceflinger/RenderEngine/RenderEngine.cpp
@@ -42,7 +42,7 @@
             EGL_NONE, EGL_NONE
     };
 
-    EGLContext ctxt = eglCreateContext(display, config, NULL, contextAttributes);
+    EGLContext ctxt = EGL_NO_CONTEXT; // eglCreateContext(display, config, NULL, contextAttributes);
     if (ctxt == EGL_NO_CONTEXT) {
         // maybe ES 2.x is not supported
         ALOGW("can't create an ES 2.x context, trying 1.x");