Make TouchInteractionService direct boot aware

- Add directBootAware="true" to TouchInteractionService manifest component
- Add DeviceLockedInputConsumer which just sends a home intent on touch down

Test:
- Reboot
- Swipe up anywhere to get to bouncer (pin/password/pattern)
- Click "Emergency" to launch dialer while still in direct boot
- Swipe up from the nav bar to exit/bring up bouncer

Test:
- Lock screen
- Double press power to launch camera
- Swipe up from nav bar to exit/bring up bouncer

Bug: 125364936
Change-Id: I7a4cd2dc3a635daf4bb9a643a1e5251ca4e91e33