emulator: opengl: Use QEMU pipe.

This patch modifies the guest libraries to use the new
fast qemu "opengles" pipe to communicate with the host
renderer process.

Note that the renderer is still listening on a TCP socket
on port 22468.

Change-Id: I6ab84f972a8024e1fdababa4615d0650c8d461bf

Conflicts:

	tools/emulator/opengl/tests/gles_android_wrapper/Android.mk
	tools/emulator/opengl/tests/gles_android_wrapper/ServerConnection.h

tools/emulator/opengl/system/GLESv1_enc/GLEncoder.cpp

@@ -428,7 +428,7 @@ void GLEncoder::s_glDrawElements(void *self, GLenum mode, GLsizei count, GLenum
                                       count * glSizeof(type));
             // XXX - OPTIMIZATION (see the other else branch) should be implemented
             if(!has_indirect_arrays) {
-                LOGD("unoptimized drawelements !!!\n");
+                //LOGD("unoptimized drawelements !!!\n");
             }
         } else {
             // we are all direct arrays and immidate mode index array -