Allow the multipass workaround to be disabled
Allow the multipass workaround to be disabled

Change-Id: I78f38ef4534a86cec9ce169e1bca91c758c66402

google/blueprint,yuhangwang/blueprint,danw/blueprint,jgennis/blueprint,jgennis/blueprint,Tiger66639/blueprint,yuhangwang/blueprint,Tiger66639/blueprint,danw/blueprint,colincross/blueprint,colincross/blueprint,google/blueprint