[Reland] [Android] Set enable_remoting=true by default

remoting/android/BUILD.gn

 # 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/config.gni")
 import("//build/config/android/rules.gni")
 import("//remoting/android/client_java_tmpl.gni")
 import("//remoting/android/remoting_apk_tmpl.gni")
 import("//remoting/remoting_options.gni")
 import("//remoting/tools/build/remoting_localize.gni")
@@ skipping 79 matching lines @@
     ":remoting_android_raw_resources",
     "//remoting/resources:strings_java",
     "//third_party/android_tools:android_support_v7_appcompat_resources",
   ]
 }
 
 remoting_android_client_java_tmpl("remoting_android_client_java") {
   remoting_google_play_services_library = google_play_services_library
 }
 
-action("remoting_cardboard_extract_native_lib") {
-  script = "//remoting/tools/extract_android_native_lib.py"
-  sources = [
-    "//third_party/cardboard-java/src/CardboardSample/libs/cardboard.jar",
-  ]
-  outputs = [
-    "$root_out_dir/libvrtoolkit.so",
-  ]
-  args = [ android_app_abi ]
-  args += rebase_path(sources, root_build_dir)
-  args += rebase_path(outputs, root_build_dir)
+if (target_cpu == "arm") {
+  action("remoting_cardboard_extract_native_lib") {
+    script = "//remoting/tools/extract_android_native_lib.py"
+    sources = [
+      "//third_party/cardboard-java/src/CardboardSample/libs/cardboard.jar",
+    ]
+    outputs = [
+      "$root_out_dir/libvrtoolkit.so",
+    ]
+    args = [ android_app_abi ]
+    args += rebase_path(sources, root_build_dir)
+    args += rebase_path(outputs, root_build_dir)
+  }
 }
 
 remoting_apk_tmpl("remoting_apk") {
   apk_name = "Chromoting"
 
   DEPRECATED_java_in_dir = "//remoting/android/apk/src"
 
   deps = [
     ":remoting_android_client_java",
     "//base:base_java",
@@ skipping 16 matching lines @@
   apk_name = "ChromotingTest"
   apk_under_test = ":remoting_apk"
   DEPRECATED_java_in_dir = "javatests/src"
   deps = [
     ":remoting_android_client_java",
     ":remoting_test_apk_manifest",
     "//base:base_java",
     "//base:base_java_test_support",
   ]
 }