ADM unit test now runs on Mac and Windows as well.

TBR=solenberg
BUG=webrtc:7273

Review-Url: https://codereview.webrtc.org/2783863002
Cr-Original-Commit-Position: refs/heads/master@{#17451}
Cr-Mirrored-From: https://chromium.googlesource.com/external/webrtc
Cr-Mirrored-Commit: 1b35bab8f83a5b722947ad819c178904e1dbb322
diff --git a/modules/audio_device/BUILD.gn b/modules/audio_device/BUILD.gn
index 629de99..9c776d3 100644
--- a/modules/audio_device/BUILD.gn
+++ b/modules/audio_device/BUILD.gn
@@ -275,7 +275,7 @@
       "../utility:utility",
       "//testing/gmock",
     ]
-    if (is_linux) {
+    if (is_linux || is_mac || is_win) {
       sources += [ "audio_device_unittest.cc" ]
     }
     if (is_android) {