Merge "Workaround for activity manager crashing when trying to start an app It...

Merge "Workaround for activity manager crashing when trying to start an app It flakes when one of the tests starts calculator while there zero activities in the system." into ub-launcher3-rvc-dev am: d4b946db

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/11940019

Change-Id: I7a217db5fb87d8099cdb9c21d4fab5d5e3dc26e7