Fix software GL renderer.

Change-Id: I07ab2709fa694e41aa3fcc5b9dfc809f55853ab4
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 28552f6..d3b0dbf 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -284,8 +284,8 @@
         glMatrixMode(GL_TEXTURE);
         glLoadMatrixf(mTextureMatrix);
         glMatrixMode(GL_MODELVIEW);
-        glEnable(GL_TEXTURE_EXTERNAL_OES);
         glDisable(GL_TEXTURE_2D);
+        glEnable(GL_TEXTURE_EXTERNAL_OES);
     } else {
         glBindTexture(GL_TEXTURE_2D, mFlinger->getProtectedTexName());
         glMatrixMode(GL_TEXTURE);