Only restrict arrows out of text fields from keyboard

Otherwise, TV remotes and gamepads will get stuck in text
fields since they lack TAB key.

Started with revert of commit d4cef42b.

Bug: 37502292
Test: Added a CTS. Manually tested with BT keyboard (Pixel C) and
      BT gamepad.
Change-Id: Iff7e0bf714605555d4fb49d3e5e2680117b3af5b