Add GLES32 class templates

- Added a script that takes the #defines in gl2/3.h and formats them
  for use in the Java template.

- Generated GLES32.spec using glgen2.

- Added full support for void* in glgen. It wasn't previously
  necessary since the apis were using GLvoid instead.

- Created the GLES32 header stubs. Added stubs for GLES32 functions
  that couldn't be handled by the code generator. Added checks in the
  checks.spec file where appropriate.

- Generated the GLES32 class and JNI.

Change-Id: Ifc8512ed56af75bbc3e7ec2ea1377895201d5325
diff --git a/opengl/tools/glgen/src/GenerateGLES.java b/opengl/tools/glgen/src/GenerateGLES.java
index 5693ef3..cbca682 100644
--- a/opengl/tools/glgen/src/GenerateGLES.java
+++ b/opengl/tools/glgen/src/GenerateGLES.java
@@ -85,7 +85,7 @@
         // Generate files
         for(String suffix: new String[] {"GLES10", "GLES10Ext",
                 "GLES11", "GLES11Ext", "GLES20",
-                "GLES30", "GLES31", "GLES31Ext"})
+                "GLES30", "GLES31", "GLES31Ext", "GLES32"})
         {
             BufferedReader spec11Reader =
                 new BufferedReader(new FileReader("specs/gles11/"