Merge "Check regions before mapping them." am: 152b584a1c

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2333182

Change-Id: Ic66296397eeeed4c074438f967050d75b7cfad95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>