[GLESv3] versions, es > 2, encoder

- Encoder with ES 3.x entry points
- Allow ES versions > 2 depending on host capability

Change-Id: I71e374f1685610bb0e4f9e04f4bba87b0cbaa02b
diff --git a/system/OpenglSystemCommon/EGLClientIface.h b/system/OpenglSystemCommon/EGLClientIface.h
index 3c8cb55..35b66bf 100644
--- a/system/OpenglSystemCommon/EGLClientIface.h
+++ b/system/OpenglSystemCommon/EGLClientIface.h
@@ -28,6 +28,7 @@
     void* (*getProcAddress)(const char *funcName);
     void (*init)();
     void (*finish)();
+    void (*getIntegerv)(unsigned int pname, int* param);
 } EGLClient_glesInterface;
 
 //