Clearer scanning state and debug logs

Always show scanning state, even on lock screen.
Also added some logs to make it easier to debug face auth.

Fixes: 133342103
Fixes: 133873875
Test: logcat
Test: manual
Change-Id: I1e5c1825a3fc33b5c9862b4f72a7652a89779514
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
index 25bde3b..812c1bb 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/KeyguardIndicationController.java
@@ -741,13 +741,5 @@
                 updateIndication(false);
             }
         }
-
-        @Override
-        public void onKeyguardBouncerChanged(boolean bouncer) {
-            if (mLockIcon == null) {
-                return;
-            }
-            mLockIcon.setBouncerVisible(bouncer);
-        }
-    };
+    }
 }