[remoting android] Add and build host code.

remoting/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/features.gni")
 import("//build/config/ui.gni")
 import("//build/util/version.gni")
 import("//remoting/remoting_version.gni")
 import("//remoting/remoting_enable.gni")
 import("//testing/test.gni")
@@ skipping 39 matching lines @@
     deps += [
       "//remoting/android:remoting_apk",
       "//remoting/android:remoting_test_apk",
     ]
   }
 
   if (enable_remoting_host) {
     deps += [
       "//remoting:remoting_perftests",
       "//remoting/host",
-      "//remoting/host:remoting_native_messaging_manifests",
     ]
 
-    if (!is_chromeos) {
+    if (!is_android) {
+      deps += [ "//remoting/host:remoting_native_messaging_manifests" ]
+    }
+
+    if (!is_chromeos && !is_android) {
       deps += [
         "//remoting/host:remoting_start_host",
         "//remoting/host/it2me:remote_assistance_host",
       ]
     }
   }
 
   if (enable_me2me_host) {
     deps += [ "//remoting/host:remoting_me2me_host" ]
     if (is_chrome_branded) {
@@ skipping 140 matching lines @@
 
       if (enable_webrtc) {
         deps += [ "//third_party/libjingle:libjingle_webrtc" ]
       }
     }
   }
 } else {
   group("remoting_unittests") {
   }
 }