Merge "Null check RecentsView before calling launchSideTaskInLiveTileMode" into sc-dev am: 8d8a655bbb

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14457135

Change-Id: I7ddc5dc711a4068aaffafecac7fa8547dd79b939