Keyguard: Add option to scramble pin layout when unlocking (2/2).

Change-Id: Ibe8611eb0b8a5bd9275bc96682d2cbafaa37d8f5

Add global scramble pin layout setting.

Change-Id: I87e6baf041644cdde55fef34f4032c6950ac428f

Keyguard: Fix bad merge from 12.0 on pin scramble.

Change-Id: Ia9ee6bd43c45228ec7042ef8300ff9ca6f92f60f
3 files changed