klte-common: disable input filtering.

* Suppose to reduce latency.

Change-Id: I7cab9115abf600925aa02792451222db305d418b
klte-common: correct deviceHardwareKeys overlay.

I have no idea where we got 19 from. This should be correct

Change-Id: If9f7be941fdf9cc035b27e05ea54d72c5a6acf15
klte-common: add additional permissions to ueventd

Change-Id: I0f4a88ac271d61c2adbb5937b87de81e0c6cd9c7