zygote: Allow bind filesystem remount

Change-Id: Id6b93b84d0556a5e3aef03b973df2fc3b13f2c64
sdcard: Add missing capability

Change-Id: I217d857cd5b464bf6530e03f53bb235c40731e02
system: Explicitly allow access to sysfs_writable

Change-Id: Id8419b2785212b1b0f8406216bcb30601257b0f9