Add a snapshot of flutter/engine/src/build to our sdk

build/android/disable_lto.gypi

Index: build/android/disable_lto.gypi
diff --git a/build/android/disable_lto.gypi b/build/android/disable_lto.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..e379cfd3199ae1f6fe0a6fd6e7d1782b7e205954
--- /dev/null
+++ b/build/android/disable_lto.gypi
@@ -0,0 +1,20 @@
+# Copyright (c) 2014 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.
+
+# This file is meant to be included to disable LTO on a target.
+
+{
+  'target_conditions': [
+    ['_toolset=="target"', {
+      'conditions': [
+        ['OS=="android" and (use_lto==1 or use_lto_o2==1)', {
+          'cflags!': [
+            '-flto',
+            '-ffat-lto-objects',
+          ],
+        }],
+      ],
+    }],
+  ],
+}