emulator opengl: pool of fixups to the system components.

Those fixes make the system load without failure.
Also the flinger and bootanimation are running.

Change-Id: Ieb7039e76c444df778a421a07bccc48514199245

tools/emulator/opengl/system/OpenglSystemCommon/EGLClientIface.h

@@ -9,6 +9,7 @@ typedef struct {
 
 typedef struct {
     void* (*getProcAddress)(const char *funcName);
+    void (*init)();
     void (*finish)();
 } EGLClient_glesInterface;