Merge "pvmfw: Replace calls to emergency_write_str" am: 1ef22bcff0

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Virtualization/+/2544931

Change-Id: I0388ec03b77efaaf05545c16f556f791cfa96c7c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>