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: 27dcced8

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



Change-Id: I4cabdc49c0f7cccd07e92ffa2e0488750771eb37
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>