iOS: baby steps to being able to include_tests=1

- pull iossim in DEPS even when on mac (because bug 2152)
- fix audio_device_test_api.cc's use of bool instead of bool* (!)
- move unused-on-mobile message to non-mobile-only section of
  hardware_before_streaming_test.cc

BUG=3185
R=kjellander@webrtc.org, niklas.enbom@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/11989004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5914 4adac7df-926f-26a2-2b94-8c16560cd09d

DEPS

@@ -161,6 +161,12 @@ deps_os = {
     # NSS, for SSLClientSocketNSS.
     "third_party/nss":
       From("chromium_deps", "src/third_party/nss"),
+
+    # TODO(kjellander): remove once bug 2152 is fixed.
+    # This needs to specify the path directly (instead of using the
+    # chromium_deps version) because chromium_deps only defines this for ios.
+    "testing/iossim/third_party/class-dump":
+      Var("chromium_trunk") + "/deps/third_party/class-dump@199203",
   },
 
   "ios": {