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

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

Change-Id: I75174009f23ee15166d50dd68e0717fa414944f3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>