Merge "Enable support for verity writes for VABC targets"

        "META/ab_partitions.txt is required for ab_update."

    target_info = common.BuildInfo(OPTIONS.target_info_dict, OPTIONS.oem_dicts)

    source_info = common.BuildInfo(OPTIONS.source_info_dict, OPTIONS.oem_dicts)

    vendor_prop = source_info.info_dict.get("vendor.build.prop")

    vabc_used = vendor_prop and \

        vendor_prop.GetProp("ro.virtual_ab.compression.enabled") == "true" and \

        not OPTIONS.disable_vabc

    if vabc_used:

      # TODO(zhangkelvin) Remove this once FEC on VABC is supported

      logger.info("Virtual AB Compression enabled, disabling FEC")

      OPTIONS.disable_fec_computation = True

      OPTIONS.disable_verity_computation = True

  else:

    assert "ab_partitions" in OPTIONS.info_dict, \

        "META/ab_partitions.txt is required for ab_update."