Merge "Treat RTL split placeholder animation same as LTR" into sc-v2-dev am: b15d3cfe73 am: 298ebbef7c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16368980

Change-Id: I128a586d65d5564bd066a705f395ee9f4624eaf8