Merge "Add check to delete app in child only if present." into udc-dev am:...

Merge "Add check to delete app in child only if present." into udc-dev am: a689a311 am: 89f40a4d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22067163



Change-Id: I183729031f59be68739a53a8bb79e2e99d89b8c1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>