Don't include resources for the overlay pickers on Android.

They are not being used on Android as the pickers have been implemented
using the Android framework. This reduces the .pak size by ~162 KB.

BUG=414688

Review URL: https://codereview.chromium.org/570313003

git-svn-id: svn://svn.chromium.org/blink/trunk@182174 bbb929c8-8fbe-4397-9dbb-9b2b20218538