Merge "Add an overlayable config for IME switcher visibility." into nyc-dev
am: d4c6761

* commit 'd4c676131f8a02d4baa762c151a3181fe40a5e73':
  Add an overlayable config for IME switcher visibility.

Change-Id: I4c83506c4f6d5d97f38e7c0b9be5fb912db38ce6