fix [2931513] Add support for setting the orientation of an ANativeWindow

Also implement support for cropping.

Change-Id: Iba5888dd242bf2feaac9e9ce26e404c1f404c280
diff --git a/services/surfaceflinger/LayerBlur.cpp b/services/surfaceflinger/LayerBlur.cpp
index 64a43c7..2ee21b9 100644
--- a/services/surfaceflinger/LayerBlur.cpp
+++ b/services/surfaceflinger/LayerBlur.cpp
@@ -241,6 +241,8 @@
             glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
         }
         glDisableClientState(GL_TEXTURE_COORD_ARRAY);
+        glLoadIdentity();
+        glMatrixMode(GL_MODELVIEW);
     }
 }