Widevine persistent data is stored in /data/mediadrm, HALs
are not allowed to access files in /data. Move persistent
data to /data/vendor/mediadrm/widevine for older devices,
and persistent data will not be saved under /data/vendor.
Test: Play Movies & Tv, Netflix
bug: 36601695
Change-Id: I31fdd43b7db327bf6d8343dc95e9883ae6bce70d
Android development of the widevine CDM has been done
on the jb-mr2 branch of the cdm code base. This CL
contains a merge of that jb-mr2 work to CDM master, and
also reflects the evolution of the common Modular DRM
code base since jb-mr2 branched.
Change-Id: I1d7e1a12d092c00044a4298261146cb97808d4ef