Merge "lmkd: Remove uses of hardcoded 4k PAGE_SIZE macro" into main am: f6f744fcc9 am: 8649898f6c am: 6aff556a55 am: 9add92ee7f am: 5164031220

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/2694569

Change-Id: I6f6cbbf7f09f78aafcd1a80e98af86786a608aa5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>