Merge "Null check RecentsView before calling launchSideTaskInLiveTileMode" into sc-dev am: 8d8a655bbb am: 68d7cad863 am: 9784e21a61

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

Change-Id: I0161cfbb6b662b7c22d72bae72cfd13700f0c65d