Chrome Version: ToT
OS: Chrome

What steps will reproduce the problem?
Run `hwid_cmdline.py verify-database --project RAMBI` in platform/factory/py/hwid

What is the expected result?
database verified

What happens instead?
Traceback (most recent call last):
  File "./hwid_cmdline.py", line 420, in <module>
    Main()
  File "./hwid_cmdline.py", line 413, in Main
    InitializeDefaultOptions(options)
  File "./hwid_cmdline.py", line 400, in InitializeDefaultOptions
    verify_checksum=(not options.no_verify_checksum))
  File "/mnt/host/source/src/platform/factory/py_pkg/cros/factory/hwid/v3/database.py", line 170, in LoadFile
    if verify_checksum else None))
  File "/mnt/host/source/src/platform/factory/py_pkg/cros/factory/hwid/v3/database.py", line 252, in LoadData
    EncodedFields(yaml_obj['encoded_fields']),
  File "/mnt/host/source/src/platform/factory/py_pkg/cros/factory/hwid/v3/database.py", line 699, in __init__
    'sequence starting from 0, but %d is missing' % index)
cros.factory.hwid.v3.common.HWIDException: The index numbers should form a continuous non-negative sequence starting from 0, but 1 is missing