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

build/sanitizers/lsan_suppressions.cc

Index: build/sanitizers/lsan_suppressions.cc
diff --git a/build/sanitizers/lsan_suppressions.cc b/build/sanitizers/lsan_suppressions.cc
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+// Copyright 2015 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 contains the default suppressions for LeakSanitizer.
+// You can also pass additional suppressions via LSAN_OPTIONS:
+// LSAN_OPTIONS=suppressions=/path/to/suppressions. Please refer to
+// http://dev.chromium.org/developers/testing/leaksanitizer for more info.
+
+#if defined(LEAK_SANITIZER)
+
+// Please make sure the code below declares a single string variable
+// kLSanDefaultSuppressions which contains LSan suppressions delimited by
+// newlines. See http://dev.chromium.org/developers/testing/leaksanitizer
+// for the instructions on writing suppressions.
+char kLSanDefaultSuppressions[] =
+// Intentional leak used as sanity test for Valgrind/memcheck.
+"leak:base::ToolsSanityTest_MemoryLeak_Test::TestBody\n"
+
+// ================ Leaks in third-party code ================
+
+// False positives in libfontconfig. http://crbug.com/39050
+"leak:libfontconfig\n"
+
+// Leaks in Nvidia's libGL.
+"leak:libGL.so\n"
+
+// A small leak in V8. http://crbug.com/46571#c9
+"leak:blink::V8GCController::collectGarbage\n"
+
+// TODO(earthdok): revisit NSS suppressions after the switch to BoringSSL
+// NSS leaks in CertDatabaseNSSTest tests. http://crbug.com/51988
+"leak:net::NSSCertDatabase::ImportFromPKCS12\n"
+"leak:net::NSSCertDatabase::ListCerts\n"
+"leak:net::NSSCertDatabase::DeleteCertAndKey\n"
+"leak:crypto::ScopedTestNSSDB::ScopedTestNSSDB\n"
+// Another leak due to not shutting down NSS properly. http://crbug.com/124445
+"leak:error_get_my_stack\n"
+// The NSS suppressions above will not fire when the fast stack unwinder is
+// used, because it can't unwind through NSS libraries. Apply blanket
+// suppressions for now.
+"leak:libnssutil3\n"
+"leak:libnspr4\n"
+"leak:libnss3\n"
+"leak:libplds4\n"
+"leak:libnssckbi\n"
+
+// XRandR has several one time leaks.
+"leak:libxrandr\n"
+
+// xrandr leak. http://crbug.com/119677
+"leak:XRRFindDisplay\n"
+
+// Suppressions for objects which can be owned by the V8 heap. This is a
+// temporary workaround until LeakSanitizer supports the V8 heap.
+// Those should only fire in (browser)tests. If you see one of them in Chrome,
+// then it's a real leak.
+// http://crbug.com/328552
+"leak:WTF::StringImpl::createUninitialized\n"
+"leak:WTF::StringImpl::create8BitIfPossible\n"
+"leak:blink::MouseEvent::create\n"
+"leak:blink::*::*GetterCallback\n"
+"leak:blink::CSSComputedStyleDeclaration::create\n"
+"leak:blink::V8PerIsolateData::ensureDomInJSContext\n"
+"leak:gin/object_template_builder.h\n"
+"leak:gin::internal::Dispatcher\n"
+"leak:blink::LocalDOMWindow::getComputedStyle\n"
+// This should really be RemoteDOMWindow::create, but symbolization is
+// weird in release builds. https://crbug.com/484760
+"leak:blink::RemoteFrame::create\n"
+// Likewise, this should really be blink::WindowProxy::initializeIfNeeded.
+// https://crbug.com/484760
+"leak:blink::WindowProxy::createContext\n"
+
+// http://crbug.com/356785
+"leak:content::RenderViewImplTest_DecideNavigationPolicyForWebUI_Test::TestBody\n"
+
+// ================ Leaks in Chromium code ================
+// PLEASE DO NOT ADD SUPPRESSIONS FOR NEW LEAKS.
+// Instead, commits that introduce memory leaks should be reverted. Suppressing
+// the leak is acceptable in some cases when reverting is impossible, i.e. when
+// enabling leak detection for the first time for a test target with
+// pre-existing leaks.
+
+// Small test-only leak in ppapi_unittests. http://crbug.com/258113
+"leak:ppapi::proxy::PPP_Instance_Private_ProxyTest_PPPInstancePrivate_Test\n"
+
+// http://crbug.com/322671
+"leak:content::SpeechRecognitionBrowserTest::SetUpOnMainThread\n"
+
+// http://crbug.com/355641
+"leak:TrayAccessibilityTest\n"
+
+// http://crbug.com/354644
+"leak:CertificateViewerUITest::ShowModalCertificateViewer\n"
+
+// http://crbug.com/356306
+"leak:content::SetProcessTitleFromCommandLine\n"
+
+// http://crbug.com/506433
+"leak:blink::ResourceFetcher::garbageCollectDocumentResources\n"
+
+// PLEASE READ ABOVE BEFORE ADDING NEW SUPPRESSIONS.
+
+// End of suppressions.
+;  // Please keep this semicolon.
+
+#endif  // LEAK_SANITIZER