安卓AOSP，OTA升级的错误码
使用安卓的UpdateEngine升级时报了错误码 时间戳错误（目前使用的版本比部署在OTA服务器上的编译时间更新） 特此记录
E Payload application complete, error: 51
另贴所有的错误码如下：
//android/system/update_engine/common/error_code.h
// Action exit codes.
enum class ErrorCode : int {
kSuccess = 0, //升级成功
kError = 1, //升级失败
kOmahaRequestError = 2, //请求action错误（action机制用于控制升级每个步骤）
kOmahaResponseHandlerError = 3, //返回handler action错误
kFilesystemCopierError = 4, //文件系统拷贝错误
kPostinstallRunnerError = 5, //预编译运行步骤错误（PostinstallRunner是一个升级步骤）
kPayloadMismatchedType = 6, //NOT NEED
kInstallDeviceOpenError = 7, //安装设备打开错误
kKernelDeviceOpenError = 8, //内核设备打开错误
kDownloadTransferError = 9, //下载传输错误
kPayloadHashMismatchError = 10, //升级包hash未匹配错误
kPayloadSizeMismatchError = 11, //升级包size未匹配错误
kDownloadPayloadVerificationError = 12, //下载过程升级包校验错误
kDownloadNewPartitionInfoError = 13, //下载过程新分区信息错误
kDownloadWriteError = 14, //下载过程数据写入错误
kNewRootfsVerificationError = 15, //升级分区hash校验失败
kNewKernelVerificationError = 16, //升级kernel校验失败
kSignedDeltaPayloadExpectedError = 17, //NOT NEED
kDownloadPayloadPubKeyVerificationError = 18, //下载过程升级包public key公钥校验错误
kPostinstallBootedFromFirmwareB = 19, //NOT NEED
kDownloadStateInitializationError = 20, //下载状态初始化错误
kDownloadInvalidMetadataMagicString = 21, //NOT NEED
kDownloadSignatureMissingInManifest = 22, //下载过程manifest缺少签名错误
kDownloadManifestParseError = 23, //下载过程manifest分析错误
kDownloadMetadataSignatureError = 24, //下载过程元数据签名错误
kDownloadMetadataSignatureVerificationError = 25, //下载过程元数据签名校验错误
kDownloadMetadataSignatureMismatch = 26, //下载过程元数据签名不匹配错误
kDownloadOperationHashVerificationError = 27, //下载过程操作hash校验错误
kDownloadOperationExecutionError = 28, //下载过程操作执行错误
kDownloadOperationHashMismatch = 29, //下载过程操作hash不匹配错误
kOmahaRequestEmptyResponseError = 30, //请求action无返回错误
kOmahaRequestXMLParseError = 31, //请求action分析xml错误
kDownloadInvalidMetadataSize = 32, //下载过程非法元数据大小
kDownloadInvalidMetadataSignature = 33, //下载过程非法元数据签名
kOmahaResponseInvalid = 34, //返回action非法错误
kOmahaUpdateIgnoredPerPolicy = 35, //NOT NEED（含义是接收已回滚版本，忽略此次升级）
kOmahaUpdateDeferredPerPolicy = 36, //NOT NEED（含义是因更新策略延迟，忽略此次升级）
kOmahaErrorInHTTPResponse = 37, //HTTP返回错误
kDownloadOperationHashMissingError = 38, //下载过程操作时缺失hash错误
kDownloadMetadataSignatureMissingError = 39, //下载过程元数据签名缺失错误
kOmahaUpdateDeferredForBackoff = 40, //NOT NEED（含义是忽略本次升级）
kPostinstallPowerwashError = 41, //NOT NEED（回滚报错，该版本已去除版本回滚限制）
kUpdateCanceledByChannelChange = 42, //通道变化升级取消
kPostinstallFirmwareRONotUpdatable = 43, //NOT NEED(需要升级固件firmware时才会取消，因为无法从FW B分区启动到FW A分区)
kUnsupportedMajorPayloadVersion = 44, //获取manifest偏移量错误
kUnsupportedMinorPayloadVersion = 45, //未manifest可支持更小版本错误
kOmahaRequestXMLHasEntityDecl = 46, //请求action xml hash非法错误
kFilesystemVerifierError = 47, //文件系统校验错误（FilesystemVerifier是一个升级步骤）
kUserCanceled = 48, //用户取消
kNonCriticalUpdateInOOBE = 49, //NOT NEED（Ignoring a non-critical Omaha update before OOBE completion.）
kOmahaUpdateIgnoredOverCellular = 50, //NOT NEED（未设置设备策略，因此用户首选项需要覆盖是否允许通过蜂窝网络进行更新）
kPayloadTimestampError = 51, //升级包时间戳错误 （payload.bin是OTA镜像打包文件）
kUpdatedButNotActive = 52, //升级分区非action状态错误
kNoUpdate = 53, //无升级（There are no updates. Aborting.）
kRollbackNotPossible = 54, //NOT NEED
kFirstActiveOmahaPingSentPersistenceError = 55, //NOT NEED（用于旧设备的Omaha校验）
kVerityCalculationError = 56, //校验计算错误（在FilesystemVerifier步骤中进行分区校验时）