public void setPresentationTime(long nsecs) {
		EGLExt.eglPresentationTimeANDROID(mEGLDisplay, mEGLSurface, nsecs);
		checkEglError("eglPresentationTimeANDROID");
	}
Sends the presentation time stamp to EGL.  Time is expressed in nanoseconds.
src/net/majorkernelpanic/streaming/gl/SurfaceManager.java