Fix custom insecure unlock logic

The previous implementation of lockscreen hardware keys long press
actions has conflicts with the Menu/Home/Back key unlock methods.
This was due to a derp in the switch loop.
This commit fixes this

Change-Id: I03025b8c8217d3bd0999b784b1c3046646bfa70f
Merge "Fix custom insecure unlock logic" into jb4.2