Multiuser perf test: re-launching app in profile

Times starting (unlocking) and launching a previously-launched app
in an already-created, but no-longer-running, profile. This represents
how long it would take to immediately start a profile and launch an app
within it for a re-used profile.

Bug: 129857107
Test: atest multiuser.UserLifecycleTests#managedProfileUnlockAndLaunchApp_stopped
Change-Id: I34cc9aeef07ea6481f4d168cda47b5dea69a5a74