PixelOS flashing instruction

1. Flash Vendor_boot image via fastboot using "fastboot flash vendor_boot vendor_boot.img"
2. Flash the provided recovery image via fastboot using "fastboot flash recovery recovery.img"
3. Reboot to recovery using either volume + and power button combo or via fastboot command "fastboot reboot recovery"
4. Navigate to Apply Update > Apply from ADB
5. adb sideload the ROM zip using "adb sideload PixelOS_peridot.zip"
6. Factory reset/format data
7. Reboot to system