Merge "gralloc: Remove PAGE_SIZE 4096 usage" into main am: 677aa4b1cb

Original change: https://android-review.googlesource.com/c/platform/hardware/libhardware/+/2717653

Change-Id: I9f5c5125c0cba355522708c65402b3b2cf20a314
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>