Revert of Test RTC_DCHECK_IS_ON instead of checking DCHECK_ALWAYS_ON everywhere

webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc

Index: webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc
diff --git a/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc b/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc
index bea5acaf593bcb5ecb36066980d1e3a42cbb7bd7..5ae2038488f2ba15fb92c07b864d7e47b3bf05c9 100644
--- a/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc
+++ b/webrtc/modules/audio_coding/acm2/audio_coding_module_unittest_oldapi.cc
@@ -317,14 +317,15 @@
 // with clang debug builds.
 // TODO(tommi): Re-enable when we've figured out what the problem is.
 // http://crbug.com/615050
-#if !defined(WEBRTC_WIN) && defined(__clang__) && RTC_DCHECK_IS_ON && \
-    GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
+#if !defined(WEBRTC_WIN) && defined(__clang__) && !defined(NDEBUG)
+#if RTC_DCHECK_IS_ON && GTEST_HAS_DEATH_TEST && !defined(WEBRTC_ANDROID)
 TEST_F(AudioCodingModuleTestOldApi, FailOnZeroDesiredFrequency) {
   AudioFrame audio_frame;
   bool muted;
   EXPECT_DEATH(acm_->PlayoutData10Ms(0, &audio_frame, &muted),
                "dst_sample_rate_hz");
 }
+#endif
 #endif
 
 // Checks that the transport callback is invoked once for each speech packet.