Add CPU_WRITE_RARELY flag am: 802c53da89 am: cefade7fa9 am: 6311a3cebd am: 273b775841

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2700498

Change-Id: Id0e9ed3de6c3cb00ab273e00de9b168f1d3fdc3c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>