Aura on Android: Remove unnecessary dependencies on ui/android.

content/app/BUILD.gn

Index: content/app/BUILD.gn
diff --git a/content/app/BUILD.gn b/content/app/BUILD.gn
index b83b52998ecaa4a9f2c196d54607b94851ace133..10fda8da24a0ff8fa473f28d9692ddf9d33c4988 100644
--- a/content/app/BUILD.gn
+++ b/content/app/BUILD.gn
@@ -49,8 +49,10 @@ if (is_win) {
     "//device/vibration",
     "//skia",
     "//third_party/android_tools:cpu_features",
-    "//ui/android",
   ]
+  if (!defined(use_aura) || !use_aura) {

[Hadi, 2015/11/20 15:42:42]

mfomitchev@/sievers@ do you know from top of your head why use_aura may not be
defined here? It's not defined on Android when we don't pass use_aura
explicitly. (See the tryjob errors in ps4).

[mfomitchev, 2015/11/20 15:55:03]

I think you need to add 'import("//build/config/ui.gni")'.
Adding a defined is not the right fix.

[Hadi, 2015/11/20 16:04:48]

Done.

+    content_app_deps += [ "//ui/android" ]
+  }
 }
 
 if (is_ios) {