lmkd: Send Actual OOM Score to lmkd_free_memory_before_kill_hook am: 556740ef04 am: 52d4c9c66d am: 4fb4ad2282

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/2489435

Change-Id: Ia0d934ba44f0ec835ada7853836bd939f4980a9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>