pvmfw: Stop confusing MEM_SHARE granule & DMA size am: 7ba393978f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/23110878

Change-Id: I592a5fd0945f0b461480b060944824189c31774c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>