hammerhead: Include FFMPEG codec configuration

Change-Id: I6f9197353a1843d07777a5803d17a7bfb7c240c6
Use standard syntax to initialize fields.

Clang compiler gives warning to old gnu syntax.

BUG: 18193625
Change-Id: I7f43284f14353d68119173e2115893bcefd0d7e7