Merge "Skip DE-critical system keys on clearNamespace" into main am: e15e3cbad5 am: bf29a21a38

Original change: https://android-review.googlesource.com/c/platform/system/security/+/3368504

Change-Id: Ib812af0d12e37258a9dbd00c9a3fabdfa222c23f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>