Prevent crash in recent app list

In some situations if you have recently used an app and then uninstalled
it, the display of recent apps in Settings->Apps & notifications would
crash. This is due to a bug in recent CL that fixed b/71591298.

Test: make -j64 RunSettingsRoboTests
Change-Id: Id04b073b2617eeff0e188b10d3743496a9f70d5e
Fixes: 72340364
3 files changed