MB: Add support for isolating scripts + isolate low_bandwidth_audio_test.py.

NOTRY=True

Bug: chromium:755660
Change-Id: I92de99cd1e3dd206f6cd366dbfd1c8c211d37cc7
Reviewed-on: https://webrtc-review.googlesource.com/4420
Commit-Queue: Edward Lemur <ehmaldonado@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20089}
diff --git a/audio/BUILD.gn b/audio/BUILD.gn
index 04dec03..6917713 100644
--- a/audio/BUILD.gn
+++ b/audio/BUILD.gn
@@ -154,10 +154,28 @@
       }
 
       data = [
+        "../resources/voice_engine/audio_dtx16.wav",
         "../resources/voice_engine/audio_tiny16.wav",
         "../resources/voice_engine/audio_tiny48.wav",
-        "../resources/voice_engine/audio_dtx16.wav",
+        "test/low_bandwidth_audio_test.py",
       ]
+      if (is_linux) {
+        data += [
+          "../tools_webrtc/audio_quality/linux/PolqaOem64",
+          "../tools_webrtc/audio_quality/linux/pesq",
+        ]
+      }
+      if (is_win) {
+        data += [
+          "../tools_webrtc/audio_quality/win/PolqaOem64.dll",
+          "../tools_webrtc/audio_quality/win/PolqaOem64.exe",
+          "../tools_webrtc/audio_quality/win/pesq.exe",
+          "../tools_webrtc/audio_quality/win/vcomp120.dll",
+        ]
+      }
+      if (is_mac) {
+        data += [ "../tools_webrtc/audio_quality/mac/pesq" ]
+      }
 
       if (!build_with_chromium && is_clang) {
         # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163)