4afe4f6069
For some drives, the partition e.g. `/dev/sda1` will not have the 'ro' file which can result in a metadata erasure failure but the base device (`/dev/sda`) will have this file. Add an additional check for the base device. Change-Id: Ia01bdbf82cee6ce15fabdc42f9c23036df55b4c5 Story: 2008696 Task: 42004