Don't leak input events to dumpsys on user builds

Add a check for ro.debuggable in before adding the details of KeyEvent and MotionEvent to logs.

Bug: 139945049
Test: Tested on a device, the input functions work as expected and input
event logs are not leaked to dumpsys on user builds.

Change-Id: I98c9c375f18963177bf0c1d8829a217b4ad4acc6
Merged-In: I98c9c375f18963177bf0c1d8829a217b4ad4acc6