Merge "Add a finalizer to LockscreenCredential to wipe the LSKF on GC" into main am: 3539fa7df6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3063203

Change-Id: Ibce2ce6c7db03fc13a9469642f548b4f4fd8df4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>