PipeWire capture: add CFI suppression for StopCapture()

We added recently spa_hook_remove() call that gets inlined and there is
an indirect call through a C function pointer, which CFI cannot verify.

Bug: chromium:491979284
Change-Id: Ide5ba4d2cb2c3c3ad63e107cb6df1cd42c6578fb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/456240
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#47140}

modules/video_capture/linux/video_capture_pipewire.cc

diff --git a/modules/video_capture/linux/video_capture_pipewire.cc b/modules/video_capture/linux/video_capture_pipewire.cc
index 58021f9..ca35498 100644
--- a/modules/video_capture/linux/video_capture_pipewire.cc
+++ b/modules/video_capture/linux/video_capture_pipewire.cc
@@ -250,6 +250,7 @@
   return 0;
 }
 
+RTC_NO_SANITIZE("cfi-icall")
 int32_t VideoCaptureModulePipeWire::StopCapture() {
   RTC_DCHECK_RUN_ON(&api_checker_);