Revert of Implement HasInputDevices in CrasAudioManager

ash/system/chromeos/audio/audio_detailed_view.cc

Index: ash/system/chromeos/audio/audio_detailed_view.cc
diff --git a/ash/system/chromeos/audio/audio_detailed_view.cc b/ash/system/chromeos/audio/audio_detailed_view.cc
index 2e769434773f2a65b11d9689f6b9f3361ec4215b..d970542df03d303a6176b00272ae3fd7ea2b7fb1 100644
--- a/ash/system/chromeos/audio/audio_detailed_view.cc
+++ b/ash/system/chromeos/audio/audio_detailed_view.cc
@@ -120,7 +120,10 @@
   CrasAudioHandler::Get()->GetAudioDevices(&devices);
   for (size_t i = 0; i < devices.size(); ++i) {
     // Don't display keyboard mic or aokr type.
-    if (!devices[i].is_for_simple_usage())
+    if (devices[i].type == chromeos::AUDIO_TYPE_KEYBOARD_MIC ||
+        devices[i].type == chromeos::AUDIO_TYPE_AOKR ||
+        devices[i].type == chromeos::AUDIO_TYPE_POST_MIX_LOOPBACK ||
+        devices[i].type == chromeos::AUDIO_TYPE_POST_DSP_LOOPBACK)
       continue;
     if (devices[i].is_input)
       input_devices_.push_back(devices[i]);