Merge "Bugfix: PIN keyguard is clipped in Car" into pi-dev

am: 90101793e5

Change-Id: I19579cada6c7505a4691e81e693f1f1cabc45259

packages/SystemUI/src/com/android/systemui/statusbar/car/CarStatusBarKeyguardViewManager.java

@@ -28,4 +28,15 @@ public class CarStatusBarKeyguardViewManager extends StatusBarKeyguardViewManage
         CarStatusBar statusBar = (CarStatusBar) mStatusBar;
         statusBar.setNavBarVisibility(navBarVisible ? View.VISIBLE : View.GONE);
     }
+
+    /**
+     * Car is a multi-user system.  There's a cancel button on the bouncer that allows the user to
+     * go back to the user switcher and select another user.  Different user may have different
+     * security mode which requires bouncer container to be resized.  For this reason, the bouncer
+     * view is destroyed on cancel.
+     */
+    @Override
+    protected boolean shouldDestroyViewOnReset() {
+        return true;
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarKeyguardViewManager.java

@@ -206,13 +206,17 @@ public class StatusBarKeyguardViewManager implements RemoteInputController.Callb
         } else {
             mStatusBar.showKeyguard();
             if (hideBouncerWhenShowing) {
-                hideBouncer(false /* destroyView */);
+                hideBouncer(shouldDestroyViewOnReset() /* destroyView */);
                 mBouncer.prepare();
             }
         }
         updateStates();
     }
 
+    protected boolean shouldDestroyViewOnReset() {
+        return false;
+    }
+
     private void hideBouncer(boolean destroyView) {
         mBouncer.hide(destroyView);
         cancelPendingWakeupAction();