Revert to overview coming from the side instead of bottom

Test: Visually checking all of these. As appropriate, repeat in 0, 2, 3
button modes, landscape/portrait/fake landscape, and 3P launcher
- Quick switch from home
- Home to overview
- Overview to home (swipe up)
- Overview to home (tap outside)
- Overview to home (back invocation)
- Quick switch from app
- Swipe up and hold from app
- Dismiss an app
- Empty recents
- Split select state to home
- Modal state to home
Fixes: 185411781

Change-Id: If00a22fee35c832a259bfc62808efbac5990ce2e
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 8432f4b..3399ce9 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -172,12 +172,10 @@
     }
 
     /**
-     * Returns an array of three elements.
+     * Returns an array of two elements.
      * The first specifies the scale for the overview
      * The second is the factor ([0, 1], 0 => center-screen; 1 => offscreen) by which overview
      * should be shifted horizontally.
-     * The third is the factor ([0, 1], 0 => center-screen; 1 => offscreen) by which overview
-     * should be shifted vertically.
      */
     public float[] getOverviewScaleAndOffset(Launcher launcher) {
         return launcher.getNormalOverviewScaleAndOffset();