NetEq: Add new method last_output_sample_rate_hz

webrtc/modules/audio_coding/neteq/tools/neteq_external_decoder_test.cc

Index: webrtc/modules/audio_coding/neteq/tools/neteq_external_decoder_test.cc
diff --git a/webrtc/modules/audio_coding/neteq/tools/neteq_external_decoder_test.cc b/webrtc/modules/audio_coding/neteq/tools/neteq_external_decoder_test.cc
index dcf5f616d950423602f4d493ca10084b40bcf6d7..13b418504a03d417f30983f12504dbe039cb8669 100644
--- a/webrtc/modules/audio_coding/neteq/tools/neteq_external_decoder_test.cc
+++ b/webrtc/modules/audio_coding/neteq/tools/neteq_external_decoder_test.cc
@@ -56,6 +56,7 @@ size_t NetEqExternalDecoderTest::GetOutputAudio(size_t max_length,
   EXPECT_EQ(channels_, num_channels);
   EXPECT_EQ(static_cast<size_t>(kOutputLengthMs * sample_rate_hz_ / 1000),
             samples_per_channel);
+  EXPECT_EQ(sample_rate_hz_, neteq_->last_output_sample_rate_hz());
   return samples_per_channel;
 }