Disable CFI for Angle platform posttask API

This CL is fixing the CFI detection that causes chromium bots failure.

It caused that Angle roll back:
  https://chromium-review.googlesource.com/c/chromium/src/+/2273440

DevTools listening on ws://127.0.0.1:34485/devtools/browser/6b3d139b-d597-448f-bc99-b1a8ccf0ef57
[6573:6573:0630/045819.756406:ERROR:sandbox_linux.cc(374)] InitializeSandbox() called with multiple threads in process gpu-process.
../../ui/gl/angle_platform_impl.cc:134:13: runtime error: control flow integrity check for type 'void (void *)' failed during indirect function call
(/b/s/w/ir/out/Release/libGLESv2.so+0x70e468): note: (unknown) defined here
../../ui/gl/angle_platform_impl.cc:134:13: note: check failed in /b/s/w/ir/out/Release/content_shell, destination function located in /b/s/w/ir/out/Release/libGLESv2.so
    #0 0x55a9dd09723f in angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0::operator()(void (*)(void*), void*) const ./../../ui/gl/angle_platform_impl.cc:134:13
    #1 0x55a9dd0971a4 in void base::internal::FunctorTraits<angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0, void>::Invoke<angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0, void (*)(void*), void*>(angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0&&, void (*&&)(void*), void*&&) ./../../base/bind_internal.h:379:12
    #2 0x55a9dd097124 in void base::internal::InvokeHelper<false, void>::MakeItSo<angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0, void (*)(void*), void*>(angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0&&, void (*&&)(void*), void*&&) ./../../base/bind_internal.h:637:12
    #3 0x55a9dd0970e4 in void base::internal::Invoker<base::internal::BindState<angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0, void (*)(void*), void*>, void ()>::RunImpl<angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0, std::__1::tuple<void (*)(void*), void*>, 0ul, 1ul>(angle::(anonymous namespace)::ANGLEPlatformImpl_postWorkerTask(angle::PlatformMethods*, void (*)(void*), void*)::$_0&&, std::__1::tuple<void (*)(void*), void*>&&, std::__1::integer_sequence<unsigned long, 0ul, 1ul>) ./../../base/bind_internal.h:710:12
    #4 0x55a9dd097094 in _ZN4base8internal7InvokerINS0_9BindStateIZN5angle12_GLOBAL__N_132ANGLEPlatformImpl_postWorkerTaskEPNS3_15PlatformMethodsEPFvPvES7_E3$_0JS9_S7_EEEFvvEE7RunOnceEPNS0_13BindStateBaseE$e9746124236f50940159c137b2ecb700.cfi ./../../base/bind_internal.h:679:12
    #5 0x55a9d7baab74 in base::OnceCallback<void ()>::Run() && ./../../base/callback.h:99:12
    #6 0x55a9dbc25481 in base::TaskAnnotator::RunTask(char const*, base::PendingTask*) ./../../base/task/common/task_annotator.cc:142:33
    #7 0x55a9dbc63df6 in base::internal::TaskTracker::RunSkipOnShutdown(base::internal::Task*) ./../../base/task/thread_pool/task_tracker.cc:768:19
    #8 0x55a9dbc63353 in base::internal::TaskTracker::RunTask(base::internal::Task, base::internal::TaskSource*, base::TaskTraits const&) ./../../base/task/thread_pool/task_tracker.cc:632:5
    #9 0x55a9dbcc2c27 in base::internal::TaskTrackerPosix::RunTask(base::internal::Task, base::internal::TaskSource*, base::TaskTraits const&) ./../../base/task/thread_pool/task_tracker_posix.cc:22:16
    #10 0x55a9dbc6298e in base::internal::TaskTracker::RunAndPopNextTask(base::internal::RegisteredTaskSource) ./../../base/task/thread_pool/task_tracker.cc:505:5
    #11 0x55a9dbc82f5a in base::internal::WorkerThread::RunWorker() ./../../base/task/thread_pool/worker_thread.cc:348:34
    #12 0x55a9dbc82c0c in base::internal::WorkerThread::RunPooledWorker() ./../../base/task/thread_pool/worker_thread.cc:223:3
    #13 0x55a9dbcc3749 in _ZN4base12_GLOBAL__N_110ThreadFuncEPv$02080084496f8c17dc927fff280e5fe6.cfi ./../../base/threading/platform_thread_posix.cc:81:13
    #14 0x7f331ced16b9 in start_thread /build/glibc-LK5gWL/glibc-2.23/nptl/pthread_create.c:333:0
    #15 0x7f33159d141c in clone /build/glibc-LK5gWL/glibc-2.23/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:109:0

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior ../../ui/gl/angle_platform_impl.cc:134:13

Bug: 1091259
Change-Id: Ie6d4cf36ddc40fff2864ce27ba130b9bec069ce8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2276245Reviewed-by: Sunny Sachanandani <sunnyps@chromium.org>
Commit-Queue: Etienne Bergeron <etienneb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#784164}

ui/gl/angle_platform_impl.cc

@@ -123,6 +123,7 @@ void ANGLEPlatformImpl_histogramBoolean(PlatformMethods* platform,
   ANGLEPlatformImpl_histogramEnumeration(platform, name, sample ? 1 : 0, 2);
 }
 
+NO_SANITIZE("cfi-icall")
 void ANGLEPlatformImpl_postWorkerTask(PlatformMethods* platform,
                                       PostWorkerTaskCallback callback,
                                       void* user_data) {