Upgrade vboot_reference to 2935820d404e5ce5e4247b28a9056323a6fbf8df This project was upgraded with external_updater. Usage: tools/external_updater/updater.sh update external/vboot_reference For more info, check https://cs.android.com/android/platform/superproject/main/+/main:tools/external_updater/README.md Test: TreeHugger Change-Id: I40fd6679fbc53283e15ada50b7a03ebdd943cca6