DO NOT MERGE Fix NPE in executeDeletePackageLIF. am: 01e0f4813a am: b2487b7862 am: 4bd6c09f00

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12495373

Change-Id: Ic9cf8cdaf07b1237f5d8a5280fd68f5debf9b560