DO NOT MERGE Fix NPE in executeDeletePackageLIF. am: 01e0f4813a am: 79764eb0cb am: e54c2694c6

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

Change-Id: Ic4a4b0e29bc112e631a1ecde7365b09d4ed8cf28