Merge "Avoid crash when no work profile files app is set" into udc-dev am:...

Merge "Avoid crash when no work profile files app is set" into udc-dev am: 2bc270ac am: 8ccd286a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22163303



Change-Id: Idb1820d8917e3e36424da838c2b8a514ee7ff14a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>