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

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

Change-Id: Ie8176e1c9722fb917b4b25e06965c45ecb8646ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>