Making the scrollbar scrubbable.

- This change in behavior will remove the ability to scrub anywhere in the gutter to
  start fast-scrolling, but requires the user to touch near the scroll bar to start
  fast-scrolling.
- Also fixes issue with wonky scrollbar due to the fake section breaks

Change-Id: I34b08ac46ea93f7f4cad7ccde1048a388ee6a55d

src/com/android/launcher3/AppsContainerView.java

@@ -166,12 +166,16 @@ public class AppsContainerView extends FrameLayout implements DragSource, Insett
         mAppsListView.setAdapter(mAdapter);
         mAppsListView.setHasFixedSize(true);
         if (isRtl) {
-            mAppsListView.setPadding(mAppsListView.getPaddingLeft(), mAppsListView.getPaddingTop(),
+            mAppsListView.setPadding(
+                    mAppsListView.getPaddingLeft(),
+                    mAppsListView.getPaddingTop(),
                     mAppsListView.getPaddingRight() + mContentMarginStart,
                     mAppsListView.getPaddingBottom());
         } else {
-            mAppsListView.setPadding(mAppsListView.getPaddingLeft() + mContentMarginStart,
-                    mAppsListView.getPaddingTop(), mAppsListView.getPaddingRight(),
+            mAppsListView.setPadding(
+                    mAppsListView.getPaddingLeft() + mContentMarginStart,
+                    mAppsListView.getPaddingTop(),
+                    mAppsListView.getPaddingRight(),
                     mAppsListView.getPaddingBottom());
         }
         if (mItemDecoration != null) {