This reverts two wrong patch sets fix attempts.

Trying to fix my stupid mistakes.
Reverted commits:

*) 5e228486:
   Fix InputReader test

*) 8f2303e5:
   add missing file for "Iec99d52f: Load a device specific key handler"

*) 2ee7ed47:
   InputManager: Add system setting to define keyboard locales

*) cf02764d:
   Load a device specific key handler

Change-Id: Ibdaa8d52054c830a4e3659bf356cc2df71342eb3