Fixing all-apps appearing as blank

Since all-apps and homescreen do not share any QSB, we can
change the alpha for hotseat QSB directly

Bug: 184122599
Test: Manual
Change-Id: Ifa610fe75ad22cfe8a7d816ed2b48e2b9411c4c1

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -110,7 +110,6 @@ public class AllAppsTransitionController
         setScrollRangeDelta(mScrollRangeDelta);
 
         if (mIsVerticalLayout) {
-            mAppsView.getAlphaProperty(APPS_VIEW_ALPHA_CHANNEL_INDEX).setValue(1);
             mLauncher.getHotseat().setTranslationY(0);
             mLauncher.getWorkspace().getPageIndicator().setTranslationY(0);
         }