Fix qs translation on split shade lock screen

It was abruptly jumping at the end of the animation, and cut off during
pull down.

Test: pull down shade from LS, home, on split and regular shade
Fixes: 203750637
Change-Id: I800c3d7a5ea2da8db0d5c37182764c4228bc4980

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

@@ -2376,7 +2376,7 @@ public class NotificationPanelViewController extends PanelViewController {
                     // qsTranslation should only be positive during pulse expansion because it's
                     // already translating in from the top
                     qsTranslation = Math.max(0, (top - mQs.getHeader().getHeight()) / 2.0f);
-                } else {
+                } else if (!mShouldUseSplitNotificationShade) {
                     qsTranslation = (top - mQs.getHeader().getHeight()) * QS_PARALLAX_AMOUNT;
                 }
             }