Merge "gralloc: Remove PAGE_SIZE 4096 usage" into main am: 677aa4b1cb am: 3a0f90c88f

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

Change-Id: Iac5631d699b6a14a53ccd3717f73b983c0baa08c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>