webrtc: Suppress a -Wunreachable-code warning on Android.

Bug: chromium:346399
Change-Id: Ie67cb36f96acd1ce752a274f309453be65fd83e9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/171640
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30879}
diff --git a/test/testsupport/file_utils_override.cc b/test/testsupport/file_utils_override.cc
index 0980691..4339155 100644
--- a/test/testsupport/file_utils_override.cc
+++ b/test/testsupport/file_utils_override.cc
@@ -128,7 +128,7 @@
 std::string WorkingDir() {
 #if defined(WEBRTC_ANDROID)
   return kAndroidChromiumTestsRoot;
-#endif
+#else
   char path_buffer[FILENAME_MAX];
   if (!GET_CURRENT_DIR(path_buffer, sizeof(path_buffer))) {
     fprintf(stderr, "Cannot get current directory!\n");
@@ -136,6 +136,7 @@
   } else {
     return std::string(path_buffer);
   }
+#endif
 }
 
 std::string ResourcePath(const std::string& name,