Fix preinstalled app partition check am: e7d2d82bbb am: 066e9c5d2a am: 1847b12d43 am: ba4c95392d

Original change: https://android-review.googlesource.com/c/platform/external/selinux/+/2672475

Change-Id: I6ec3ee9c8188d6bfac3e97fe3eb08ac8a2ed5677
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>