Pass correct scrollDiff to translateTaskWhenDismissed

- This is a follow-up of refactoring CL ag/29580515, which passed wrong parameter to a function

Bug: 353948182
Test: manual
Flag: EXEMPT REFACTOR
Change-Id: I544f4142b1007c034f8e7364e48c32e6500e03f8
diff --git a/quickstep/src/com/android/quickstep/views/RecentsView.java b/quickstep/src/com/android/quickstep/views/RecentsView.java
index a94f047..3ae9bc8 100644
--- a/quickstep/src/com/android/quickstep/views/RecentsView.java
+++ b/quickstep/src/com/android/quickstep/views/RecentsView.java
@@ -3800,7 +3800,7 @@
                     translateTaskWhenDismissed(
                             child,
                             Math.abs(i - dismissedIndex),
-                            mIsRtl ? -scrollDiff : scrollDiff,
+                            scrollDiff,
                             anim,
                             splitTimings);
                     needsCurveUpdates = true;