Merge "Zero memory in dma_alloc." am: 07803290a8 am: f9facfe2c2

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2591888

Change-Id: Iad5e1340155228337c18c06d869767a825fa3cf5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>