Merge "Updating comments on cow layout" into main am: 1b52ac6e am:...

Merge "Updating comments on cow layout" into main am: 1b52ac6e am: 822c758b am: a800e975 am: 139c4aaa am: 4f2d196d

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2754949



Change-Id: I69d423dd81406f146f5dead31c1069319e8a6654
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>