Fix low_bandwidth_audio_perf_test resource dependency on Android

The executable that's pushed to the device must depend on all
files that need to be on the device.

No-Try: True
TBR: phoglund@webrtc.org
Bug: chromium:755660
Change-Id: Iee041bd51e789e3ce6612fbda1582286a5cf4680
Reviewed-on: https://webrtc-review.googlesource.com/62961
Reviewed-by: Oleh Prypin <oprypin@webrtc.org>
Commit-Queue: Oleh Prypin <oprypin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22494}
diff --git a/audio/BUILD.gn b/audio/BUILD.gn
index 2d77135..451708a 100644
--- a/audio/BUILD.gn
+++ b/audio/BUILD.gn
@@ -190,6 +190,7 @@
 
       data = [
         "../resources/voice_engine/audio_tiny16.wav",
+        "../resources/voice_engine/audio_tiny48.wav",
       ]
 
       if (!build_with_chromium && is_clang) {