Merge "releasetools: Remove two dead functions in ota_from_target_files.py."

                     compress_type=zipfile.ZIP_STORED)

def GetBuildProp(prop, info_dict):

  """Returns the inquired build property from a given info_dict."""

  try:

    return info_dict.get("build.prop", {})[prop]

  except KeyError:

    raise common.ExternalError("couldn't find %s in build.prop" % (prop,))

def GetVendorBuildProp(prop, info_dict):

  """Returns the inquired vendor build property from a given info_dict."""

  try:

    return info_dict.get("vendor.build.prop", {})[prop]

  except KeyError:

    raise common.ExternalError(

        "couldn't find %s in vendor.build.prop" % (prop,))

def HandleDowngradeMetadata(metadata, target_info, source_info):

  # Only incremental OTAs are allowed to reach here.

  assert OPTIONS.incremental_source is not None