Migrated GN target :audio_classifier_test

webrtc/modules/audio_coding/BUILD.gn

Index: webrtc/modules/audio_coding/BUILD.gn
diff --git a/webrtc/modules/audio_coding/BUILD.gn b/webrtc/modules/audio_coding/BUILD.gn
index c388fe767b118cd2ac5219934d9a25607503a365..3e292e31ad887f4462fc00ebcd279d5f4afe882b 100644
--- a/webrtc/modules/audio_coding/BUILD.gn
+++ b/webrtc/modules/audio_coding/BUILD.gn
@@ -1416,4 +1416,16 @@ if (rtc_include_tests) {
       "//third_party/gflags",
     ]
   }
+
+  executable("audio_classifier_test") {
+    testonly = true
+    sources = [
+      "neteq/test/audio_classifier_test.cc",
+    ]
+    deps = [
+      ":neteq",
+      ":webrtc_opus",
+      "../../system_wrappers:system_wrappers_default",
+    ]
+  }
 }