Fix Android Things Display Error

#AndroidThings Display Error on Raspberry Pi 3 HDMI on some TV. To fix: 1: Open file ""CONFIG.TXT" in SD card and find "framebuffer_depth=16". Insert after ""framebuffer_width=1280" and ""framebuffer_height=720" 2: Save and reboot http://vidieukhien.xyz/raspberry-pi-3-android-things-hdmi-fix-error/