Move error_code.h into otautil.

This way it stops requiring relative path ".." in LOCAL_C_INCLUDES
(uncrypt and edify). Soong doesn't accept non-local ".." in
"local_include_dirs".

Test: mmma bootable/recovery
Change-Id: Ia4649789cef2aaeb2785483660e9ea5a8b389c62

error_code.h

@@ -1,78 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef _ERROR_CODE_H_
-#define _ERROR_CODE_H_
-
-enum ErrorCode {
-  kNoError = -1,
-  kLowBattery = 20,
-  kZipVerificationFailure,
-  kZipOpenFailure,
-  kBootreasonInBlacklist,
-  kPackageCompatibilityFailure,
-  kScriptExecutionFailure,
-  kMapFileFailure,
-  kForkUpdateBinaryFailure,
-  kUpdateBinaryCommandFailure,
-};
-
-enum CauseCode {
-  kNoCause = -1,
-  kArgsParsingFailure = 100,
-  kStashCreationFailure,
-  kFileOpenFailure,
-  kLseekFailure,
-  kFreadFailure,
-  kFwriteFailure,
-  kFsyncFailure,
-  kLibfecFailure,
-  kFileGetPropFailure,
-  kFileRenameFailure,
-  kSymlinkFailure,
-  kSetMetadataFailure,
-  kTune2FsFailure,
-  kRebootFailure,
-  kPackageExtractFileFailure,
-  kPatchApplicationFailure,
-  kVendorFailure = 200
-};
-
-enum UncryptErrorCode {
-  kUncryptNoError = -1,
-  kUncryptErrorPlaceholder = 50,
-  kUncryptTimeoutError = 100,
-  kUncryptFileRemoveError,
-  kUncryptFileOpenError,
-  kUncryptSocketOpenError,
-  kUncryptSocketWriteError,
-  kUncryptSocketListenError,
-  kUncryptSocketAcceptError,
-  kUncryptFstabReadError,
-  kUncryptFileStatError,
-  kUncryptBlockOpenError,
-  kUncryptIoctlError,
-  kUncryptReadError,
-  kUncryptWriteError,
-  kUncryptFileSyncError,
-  kUncryptFileCloseError,
-  kUncryptFileRenameError,
-  kUncryptPackageMissingError,
-  kUncryptRealpathFindError,
-  kUncryptBlockDeviceFindError,
-};
-
-#endif // _ERROR_CODE_H_