Make remoting_unittests work on GN & Android

BUG=544298

Review URL: https://codereview.chromium.org/1475453002

Cr-Original-Commit-Position: refs/heads/master@{#361726}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 86ba5e7f5e0c06350e0c5680625a2857540064cd

config/features.gni

@@ -87,7 +87,7 @@ declare_args() {
 
   enable_one_click_signin = is_win || is_mac || (is_linux && !is_chromeos)
 
-  enable_remoting = !is_ios && !is_android && !is_chromecast && !is_headless
+  enable_remoting = !is_ios && !is_chromecast && !is_headless
 
   # Enable hole punching for the protected video.
   enable_video_hole = is_android