[OTS] Add lzma_sdk for standalone build

third_party/lzma_sdk/lzma_sdk.gyp

+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# lzma_sdk for standalone build.
+{
+  'targets': [
+    {
+      'target_name': 'ots_lzma_sdk',
+      'type': 'static_library',
+      'defines': [
+        '_7ZIP_ST', # Disable multi-thread support.
+        '_LZMA_PROB32', # This could increase the speed on 32bit platform.
+      ],
+      'sources': [
+        'Alloc.c',
+        'Alloc.h',
+        'LzFind.c',
+        'LzFind.h',
+        'LzHash.h',
+        'LzmaEnc.c',
+        'LzmaEnc.h',
+        'LzmaDec.c',
+        'LzmaDec.h',
+        'LzmaLib.c',
+        'LzmaLib.h',
+        'Types.h',
+      ],
+      'include_dirs': [
+        '.',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          '../..',
+        ],
+      },
+    },
+  ],
+}