Revert^2 "Set block device as RO/RW before mount"

Original CL reverted due to missing permission on vold.
The missing permission is added in aosp/3202313 , hence re-submit.

This reverts commit 1f00f794e6585b73881ac2f11f1fdede1278e54e.


Reason for revert: b/349507086

Change-Id: Ia1086f3c8c65c476bdc119fe59ed4fd3a21f8591
1 file changed