GLES: add image external enums

This change adds Java definitions for the enums of the
GL_OES_EGL_image_external OpenGL ES extension.

Bug: 3482193
Change-Id: Ib50326f8be9b9cc9021753855c3846ddcdc5eaa2
diff --git a/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if b/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if
index c5e34cd..0c5fa04 100644
--- a/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if
+++ b/opengl/tools/glgen/stubs/gles11/GLES11ExtHeader.java-if
@@ -124,6 +124,10 @@
     public static final int GL_TEXTURE_MAX_ANISOTROPY_EXT                           = 0x84FE;
     public static final int GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT                       = 0x84FF;
     public static final int GL_BGRA                                                 = 0x80E1;
+    public static final int GL_TEXTURE_EXTERNAL_OES                                 = 0x8D65;
+    public static final int GL_SAMPLER_EXTERNAL_OES                                 = 0x8D66;
+    public static final int GL_TEXTURE_BINDING_EXTERNAL_OES                         = 0x8D67;
+    public static final int GL_REQUIRED_TEXTURE_IMAGE_UNITS_OES                     = 0x8D68;
 
     native private static void _nativeClassInit();
     static {
@@ -135,4 +139,4 @@
     private static final int GL_FLOAT = GLES10.GL_FLOAT;
     private static final int GL_SHORT = GLES10.GL_SHORT;
     
-    private static Buffer _matrixIndexPointerOES;
\ No newline at end of file
+    private static Buffer _matrixIndexPointerOES;