Don't link with audio codecs that we don't use

webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc

Index: webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
diff --git a/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc b/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
index 78ebf9f708ff6e0458657e08cd78441225faf5c2..f7d14673f647e91e68a0d5a7e5048327ab28ee84 100644
--- a/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
+++ b/webrtc/modules/audio_coding/neteq/audio_decoder_unittest.cc
@@ -562,7 +562,6 @@ TEST_F(AudioDecoderIsacSwbTest, EncodeDecode) {
   int tolerance = 19757;
   double mse = 8.18e6;
   int delay = 160;  // Delay from input to output.
-  EXPECT_TRUE(CodecSupported(kDecoderISACswb));
   EncodeDecodeTest(0, tolerance, mse, delay);
   ReInitTest();
   EXPECT_FALSE(decoder_->HasDecodePlc());
@@ -676,8 +675,10 @@ TEST(AudioDecoder, CodecSampleRateHz) {
   EXPECT_EQ(8000, CodecSampleRateHz(kDecoderPCMa_2ch));
   EXPECT_EQ(8000, CodecSampleRateHz(kDecoderILBC));
   EXPECT_EQ(16000, CodecSampleRateHz(kDecoderISAC));
+#ifndef WEBRTC_ARCH_ARM
   EXPECT_EQ(32000, CodecSampleRateHz(kDecoderISACswb));
   EXPECT_EQ(32000, CodecSampleRateHz(kDecoderISACfb));
+#endif
   EXPECT_EQ(8000, CodecSampleRateHz(kDecoderPCM16B));
   EXPECT_EQ(16000, CodecSampleRateHz(kDecoderPCM16Bwb));
   EXPECT_EQ(32000, CodecSampleRateHz(kDecoderPCM16Bswb32kHz));
@@ -702,14 +703,19 @@ TEST(AudioDecoder, CodecSampleRateHz) {
 }
 
 TEST(AudioDecoder, CodecSupported) {
+#ifdef WEBRTC_ARCH_ARM
+  static const bool has_isac_swb = false;
+#else
+  static const bool has_isac_swb = true;
+#endif
   EXPECT_TRUE(CodecSupported(kDecoderPCMu));
   EXPECT_TRUE(CodecSupported(kDecoderPCMa));
   EXPECT_TRUE(CodecSupported(kDecoderPCMu_2ch));
   EXPECT_TRUE(CodecSupported(kDecoderPCMa_2ch));
   EXPECT_TRUE(CodecSupported(kDecoderILBC));
   EXPECT_TRUE(CodecSupported(kDecoderISAC));
-  EXPECT_TRUE(CodecSupported(kDecoderISACswb));
-  EXPECT_TRUE(CodecSupported(kDecoderISACfb));
+  EXPECT_EQ(has_isac_swb, CodecSupported(kDecoderISACswb));
+  EXPECT_EQ(has_isac_swb, CodecSupported(kDecoderISACfb));
   EXPECT_TRUE(CodecSupported(kDecoderPCM16B));
   EXPECT_TRUE(CodecSupported(kDecoderPCM16Bwb));
   EXPECT_TRUE(CodecSupported(kDecoderPCM16Bswb32kHz));