Suppress deprecation warnings for CVDisplayLink calls. (#2569)

(cherry picked from commit 848347f)

Author: domchen

src/platform/mac/private/NativeDisplayLink.mm

@@ -19,6 +19,9 @@
 #include "NativeDisplayLink.h"
 
 namespace pag {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+
 static CVReturn OnAnimationCallback(CVDisplayLinkRef, const CVTimeStamp*, const CVTimeStamp*,
                                     CVOptionFlags, CVOptionFlags*, void* userInfo) {
   reinterpret_cast<NativeDisplayLink*>(userInfo)->update();
@@ -55,4 +58,6 @@ static CVReturn OnAnimationCallback(CVDisplayLinkRef, const CVTimeStamp*, const
 void NativeDisplayLink::update() {
   callback();
 }
+
+#pragma clang diagnostic pop
 }  // namespace pag