[automerger skipped] Allow non-existing fstab.postinstall am: 4b28a53926 -s ours am: c48bb47e8e -s ours

am skip reason: Change-Id I8569d72c03a260bd1be9dcccb5b9ae670117179c with SHA-1 4b28a53926 is in history

Change-Id: I0fc9bb5cbdbd7004bb42b0285a6a750197d6b1ee