Revert "Revert "Updating the scroll calculation from recyclerView to avoid view inflation""

Test: ABTD
https://android-build.googleplex.com/builds/abtd/run/L52600000956969786

This reverts commit cee6ddf3de.

Reason for revert: Fixed in ag/20239136

Change-Id: I0e8446e66d9a86a94b40fcbd6de14da07abe8e5c

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

@@ -106,7 +106,8 @@ public abstract class BaseAllAppsContainerView<T extends Context & ActivityConte
             new RecyclerView.OnScrollListener() {
                 @Override
                 public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {
-                    updateHeaderScroll(((AllAppsRecyclerView) recyclerView).getCurrentScrollY());
+                    updateHeaderScroll(
+                            ((AllAppsRecyclerView) recyclerView).computeVerticalScrollOffset());
                 }
             };