FODCircleView: ensure that when we check for bouncer, we're on keyguard.

Bouncer doesn't seem to exist anywhere else.

Tests:
    - have phone unlocked by trust agent, open any third party app with biometric unlock, ensure FOD is visible
Change-Id: Ic3895853f7461afcbc816c6155c8db13011bb668

Author: Dil3mm4

packages/SystemUI/src/com/android/systemui/biometrics/FODCircleView.java

@@ -478,7 +478,7 @@ public void show() {
             return;
         }
 
-        if (mUpdateMonitor.getUserCanSkipBouncer(mUpdateMonitor.getCurrentUser())) {
+        if (mIsKeyguard && mUpdateMonitor.getUserCanSkipBouncer(mUpdateMonitor.getCurrentUser())) {
             // Ignore show calls if user can skip bouncer
             return;
         }