Ensures that modules_unittests runs on iOS

webrtc/modules/utility/source/file_player_unittests.cc

Index: webrtc/modules/utility/source/file_player_unittests.cc
diff --git a/webrtc/modules/utility/source/file_player_unittests.cc b/webrtc/modules/utility/source/file_player_unittests.cc
index 7ce9d47296d1db4a6223f73f5959e2ddb18c8c9b..c5f6fbaa55d03d26a3a102786e96aa6b78b3a680 100644
--- a/webrtc/modules/utility/source/file_player_unittests.cc
+++ b/webrtc/modules/utility/source/file_player_unittests.cc
@@ -20,6 +20,7 @@
 #include "webrtc/base/md5digest.h"
 #include "webrtc/base/stringencode.h"
 #include "webrtc/test/testsupport/fileutils.h"
+#include "webrtc/test/testsupport/gtest_disable.h"
 
 DEFINE_bool(file_player_output, false, "Generate reference files.");
 
@@ -81,7 +82,7 @@ class FilePlayerTest : public ::testing::Test {
   FILE* output_file_;
 };
 
-TEST_F(FilePlayerTest, PlayWavPcmuFile) {
+TEST_F(FilePlayerTest, DISABLED_ON_IOS(PlayWavPcmuFile)) {
   const std::string kFileName =
       test::ResourcePath("utility/encapsulated_pcmu_8khz", "wav");
   // The file is longer than this, but keeping the output shorter limits the
@@ -92,7 +93,7 @@ TEST_F(FilePlayerTest, PlayWavPcmuFile) {
   PlayFileAndCheck(kFileName, kRefChecksum, kOutputLengthMs);
 }
 
-TEST_F(FilePlayerTest, PlayWavPcm16File) {
+TEST_F(FilePlayerTest, DISABLED_ON_IOS(PlayWavPcm16File)) {
   const std::string kFileName =
       test::ResourcePath("utility/encapsulated_pcm16b_8khz", "wav");
   // The file is longer than this, but keeping the output shorter limits the