On MIUI this is used to let updater write to data/vendor/mbnconfig, but we won't do this. This reverts commit 60894cbcbe. Change-Id: Ic3535a287ce80bc61541d2fd8dcfb64472db42bf
60894cbcbe
Change-Id: Id503db81379785fef63444e26ee674faa7ae1a06
Change-Id: Ia3030c7c18ad39ac58d17a3147b269a6f1093b59