tree a8f3ae236978e7201114e765a652632a0286d30e
parent 0b16447f1cbaab5838477a68b26eeefa18b4e7aa
author Marco Nelissen <marcone@google.com> 1529299269 -0700
committer Marco Nelissen <marcone@google.com> 1534873756 -0700

C-ify DataSource

Add a C API for DataSource/Base, and a helper so extractors
can continue using a C++ API.

Bug: 111407253
Test: build, boot, play some files

Change-Id: I1c8b2990e17d18eee53c9abf7ebef2ced0e8b7fd