Remove main thread IPC

Test: pull down shade with phone locked and dynamic privacy
Fixes: 139308527
Change-Id: Ie79a2865a9ecf591451dfd4dd10eb523d10862c9

packages/SystemUI/src/com/android/systemui/statusbar/notification/DynamicPrivacyController.java

@@ -107,7 +107,7 @@ public class DynamicPrivacyController implements UnlockMethodCache.OnUnlockMetho
      */
     public boolean isInLockedDownShade() {
         if (!mStatusBarKeyguardViewManager.isShowing()
-                || !mStatusBarKeyguardViewManager.isSecure()) {
+                || !mUnlockMethodCache.isMethodSecure()) {
             return false;
         }
         int state = mStateController.getState();