Disable TestVp9ImplProfile2.EncodeDecode on iOS.

The test crashes in libvpx VP9 encoder on iOS simulator.

Bug: webrtc:10473
Change-Id: I99ad0ac45e55f445cf1b3964ff0e66020fccb1f6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/129441
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27266}
diff --git a/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc b/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc
index 913bc01..2cc8091 100644
--- a/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc
+++ b/modules/video_coding/codecs/vp9/test/vp9_impl_unittest.cc
@@ -1436,7 +1436,13 @@
   }
 };
 
-TEST_F(TestVp9ImplProfile2, EncodeDecode) {
+#if defined(OS_IOS)
+// TODO(webrtc:10473): Libvpx VP9 encoder crashes on iOS simulator.
+#define MAYBE_EncodeDecode DISABLED_EncodeDecode
+#else
+#define MAYBE_EncodeDecode EncodeDecode
+#endif
+TEST_F(TestVp9ImplProfile2, MAYBE_EncodeDecode) {
   if (!encoder_)
     return;