Adds support for detection of pro-audio support on Android

webrtc/modules/audio_device/android/audio_manager_unittest.cc

Index: webrtc/modules/audio_device/android/audio_manager_unittest.cc
diff --git a/webrtc/modules/audio_device/android/audio_manager_unittest.cc b/webrtc/modules/audio_device/android/audio_manager_unittest.cc
index d1107e05fd13b8662101c3127a63c379c5725d8a..3abfc5a8ceefc122414d538e03279c203c10efb3 100644
--- a/webrtc/modules/audio_device/android/audio_manager_unittest.cc
+++ b/webrtc/modules/audio_device/android/audio_manager_unittest.cc
@@ -77,6 +77,11 @@ TEST_F(AudioManagerTest, IsLowLatencyPlayoutSupported) {
         audio_manager()->IsLowLatencyPlayoutSupported() ? "Yes" : "No");
 }
 
+TEST_F(AudioManagerTest, IsProAudioSupported) {
+  PRINT("%sPro audio support: %s\n", kTag,
+        audio_manager()->IsProAudioSupported() ? "Yes" : "No");
+}
+
 TEST_F(AudioManagerTest, ShowAudioParameterInfo) {
   const bool low_latency_out = audio_manager()->IsLowLatencyPlayoutSupported();
   PRINT("PLAYOUT:\n");