[remoting android] Trim Cardboard library from APK.

remoting/android/remoting_apk_tmpl.gni

 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/android/rules.gni")
+import("//remoting/remoting_options.gni")
 
 template("remoting_apk_tmpl") {
   android_apk(target_name) {
     forward_variables_from(invoker, "*")
 
     android_manifest = "$root_gen_dir/remoting/android/AndroidManifest.xml"
     native_libs = [ "libremoting_client_jni.so" ]
 
     deps += [
       "//remoting/android:remoting_apk_manifest",
       "//remoting/android:remoting_client_jni",
     ]
 
-    if (target_cpu == "arm") {
+    if (remoting_enable_cardboard && target_cpu == "arm") {
       deps += [ "//remoting/android:remoting_cardboard_extract_native_lib" ]
       loadable_modules = [ "$root_out_dir/libvrtoolkit.so" ]
     }
   }
 }