Settings: SlimPie give user ability to reduce trigger heights if IME keyboard shows (2/2)

Add a user option to reduce left and right trigger of SlimPie if keyboard shows up
(especially usefull for swipe keyboard which most keyboards are nowadays). Enabled
by default user can disable it in settings

PS:
- fix category string

rebase

Change-Id: Ia5ae621a5e63b2efd10180cfbe1876b14a63c866
Settings: clean up warnings

rebase

Change-Id: Ib39d58da40a9b3657358223886cecf4f0543e0e3
Settings: init correctly LockPatternUtils on configuration changes

Steps to reproduce:
- go to security pattern choice
- turn the screen to landscape
- result: crash

LockPatternUtils instance was not passed trough to LockPatternView.
Hence the crash and NullPointerExcpetion.

Fix it with correct initiliaze LockPatternUtils.

Change-Id: I38b495030b2c454effc901854bdcabfcbc10219a
Merge "Settings: SlimPie give user ability to reduce trigger heights if IME keyboard shows (2/2)" into kk4.4
Merge "Settings: clean up warnings" into kk4.4
Merge "Settings: init correctly LockPatternUtils on configuration changes" into kk4.4