DO NOT MERGE Fix NPE in executeDeletePackageLIF. am: 01e0f4813a am: b2487b7862 am: e6ef7e83b0

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

Change-Id: Ib0ebacb28f841a4ff307b30eecc235daa5625ab1