iOS: Add resource files for tests and implement OutputPath

webrtc/modules/audio_coding/neteq/neteq.gypi

Index: webrtc/modules/audio_coding/neteq/neteq.gypi
diff --git a/webrtc/modules/audio_coding/neteq/neteq.gypi b/webrtc/modules/audio_coding/neteq/neteq.gypi
index 50b8425c87e0684a077cb1bdf52245405f4a5991..ead9586f5cea6548f75907d7fb4fea57a51d1eab 100644
--- a/webrtc/modules/audio_coding/neteq/neteq.gypi
+++ b/webrtc/modules/audio_coding/neteq/neteq.gypi
@@ -159,6 +159,11 @@
                 '<(DEPTH)/testing/android/native_test.gyp:native_test_native_code',
               ],
             }],
+            ['OS=="ios"', {
+              'mac_bundle_resources': [
+                '<(DEPTH)/resources/audio_coding/testfile32kHz.pcm',
+              ],
+            }],
           ],
         }, # audio_decoder_unittests