Animate workspace upwards when opening an app.

Bug: 123900446
Change-Id: I3d08985f8362038f50728e91e2fedf1c97e326ff
diff --git a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
index 95ae312..79540c1 100644
--- a/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
+++ b/quickstep/src/com/android/launcher3/QuickstepAppTransitionManagerImpl.java
@@ -278,7 +278,7 @@
         if (launcherClosing) {
             Pair<AnimatorSet, Runnable> launcherContentAnimator =
                     getLauncherContentAnimator(true /* isAppOpening */,
-                            new float[] {0, mContentTransY});
+                            new float[] {0, -mContentTransY});
             anim.play(launcherContentAnimator.first);
             anim.addListener(new AnimatorListenerAdapter() {
                 @Override