Also update the README banner so that the background grid lines scale more reliably to different screen PPI. PiperOrigin-RevId: 473598837 Change-Id: I43434b35333714922128f8fd625aa6eb62521a7f
PiperOrigin-RevId: 472721942 Change-Id: Ida552f8ffe6ead102d138586c3e280a543c97511