Revert "Add LogBuffers to KeyguardViewMediator"

Revert submission 19570010-add_logbuffers_keyguardviewmediator-master

Reason for revert: b/243854740
Reverted Changes:
Ie0d04359a:Add LogBuffers to KeyguardViewMediator
Idfd7fef75:Add LogBuffers to KeyguardViewMediator

Change-Id: I3510d9e36184bf0f0dbce77ff1add853424436b1
10 files changed