Improve MidiManagerAlsa manufacturer reporting

media/BUILD.gn

Index: media/BUILD.gn
diff --git a/media/BUILD.gn b/media/BUILD.gn
index 8b6cc692506f4a5b7147548fb620cf2234c80990..cccf70cea5279a94867459381c464d72c7d872ab 100644
--- a/media/BUILD.gn
+++ b/media/BUILD.gn
@@ -359,6 +359,10 @@ component("media") {
     ]
   }
 
+  if (use_udev) {
+    deps += [ "//device/udev_linux" ]
+  }
+
   # A simple WebM encoder for animated avatars on ChromeOS.
 
   if (use_ozone) {
@@ -669,6 +673,10 @@ test("media_unittests") {
     ]
   }
 
+  if (use_alsa) {
+    sources += [ "midi/midi_manager_alsa_unittest.cc" ]
+  }
+
   #      include_dirs += [
   #        # Needed by media_drm_bridge.cc.
   #        target_gen_dir,