DPMS: allow getPasswordMinimumMetrics() to anyone who can set LSKF am: f30bd8b693 am: 6f7d1445ec

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2775380

Change-Id: If0c5a5a149f047a47841dbfd06af9ae11fbe8afa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>