VadCore: Allow signed multiplication overflow that we don't know how to fix

webrtc/base/sanitizer.h

Index: webrtc/base/sanitizer.h
diff --git a/webrtc/base/sanitizer.h b/webrtc/base/sanitizer.h
index 3327e08f7dcb1d68bebb07dbde5af0356741bf9b..e27a692164ad1b9b8570ad572e05599f7241e624 100644
--- a/webrtc/base/sanitizer.h
+++ b/webrtc/base/sanitizer.h
@@ -33,6 +33,15 @@
 #include <sanitizer/msan_interface.h>
 #endif
 
+#ifdef __has_attribute
+#if __has_attribute(no_sanitize)
+#define RTC_NO_SANITIZE(what) __attribute__((no_sanitize(what)))
+#endif
+#endif
+#ifndef RTC_NO_SANITIZE
+#define RTC_NO_SANITIZE(what)
+#endif
+
 // Ask ASan to mark the memory range [ptr, ptr + element_size * num_elements)
 // as being unaddressable, so that reads and writes are not allowed. ASan may
 // narrow the range to the nearest alignment boundaries.