sysui: small refactor

Bug: 26161831
Change-Id: I020176d49cb12c7f7b56ad6eb1221e678312f798
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
index 277668f..575eda7 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationPanelView.java
@@ -93,7 +93,7 @@
     public static final long DOZE_ANIMATION_DURATION = 700;
 
     private KeyguardAffordanceHelper mAfforanceHelper;
-    private BaseStatusBarHeader mHeader;
+    protected BaseStatusBarHeader mHeader;
     private KeyguardUserSwitcher mKeyguardUserSwitcher;
     private KeyguardStatusBarView mKeyguardStatusBar;
     private QSContainer mQsContainer;
@@ -2404,7 +2404,7 @@
         setVerticalPanelTranslation(0f);
     }
 
-    private void setVerticalPanelTranslation(float translation) {
+    protected void setVerticalPanelTranslation(float translation) {
         mNotificationStackScroller.setTranslationX(translation);
         mScrollView.setTranslationX(translation);
         mHeader.setTranslationX(translation);