Peripheral manager now sits in the vendor directory/partition. Update
the init script to reflect the same.
Change-Id: Icc26f8b6269849b9d6c8a5a81b9cf1dddfc70fbf
libhealthd.msm will store some battery parameters to a file under
/persist/bms. Create a directory with necessary permissions.
CRs-Fixed: 1066074
Change-Id: I90f609c38c570842d54abe1d6b411a4ce71bd0d1