Merge "pvmfw: Replace calls to emergency_write_str" am: 1ef22bcff0 am: 9d9bf6cb3d

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

Change-Id: I886d1fda3fd81f3a2b807cafd9f1f935ff9e14d9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>