Add flag --require-audio-hardware-for-testing.

media/audio/android/audio_android_unittest.cc

Index: media/audio/android/audio_android_unittest.cc
diff --git a/media/audio/android/audio_android_unittest.cc b/media/audio/android/audio_android_unittest.cc
index 1da84cacb583c106b3a5b9ff96793a97f7f92b9f..3ea8cf0d42b6144a2c878a019fbc24b030eb2bfc 100644
--- a/media/audio/android/audio_android_unittest.cc
+++ b/media/audio/android/audio_android_unittest.cc
@@ -19,6 +19,7 @@
 #include "media/audio/android/audio_manager_android.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_manager_base.h"
+#include "media/audio/audio_unittest_utils.h"
 #include "media/audio/mock_audio_source_callback.h"
 #include "media/base/decoder_buffer.h"
 #include "media/base/seekable_buffer.h"
@@ -733,8 +734,7 @@ TEST_F(AudioAndroidOutputTest, GetDefaultOutputStreamParameters) {
 
 // Verify input device enumeration.
 TEST_F(AudioAndroidInputTest, GetAudioInputDeviceNames) {
-  if (!audio_manager()->HasAudioInputDevices())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(audio_manager()->HasAudioInputDevices());
   AudioDeviceNames devices;
   RunOnAudioThread(
       base::Bind(&AudioManager::GetAudioInputDeviceNames,
@@ -745,8 +745,7 @@ TEST_F(AudioAndroidInputTest, GetAudioInputDeviceNames) {
 
 // Verify output device enumeration.
 TEST_F(AudioAndroidOutputTest, GetAudioOutputDeviceNames) {
-  if (!audio_manager()->HasAudioOutputDevices())
-    return;
+  CAN_RUN_AUDIO_TEST_IF(audio_manager()->HasAudioOutputDevices());
   AudioDeviceNames devices;
   RunOnAudioThread(
       base::Bind(&AudioManager::GetAudioOutputDeviceNames,