Stop marking apps as privileged if they are not signed properly. am: 06775341ad

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25841331

Change-Id: I0000191be2751aeaace1972e8339a1c0f5141a59
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>