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
Remove lge/hammerhead no-op.

Change-Id: Idc25eff9db1a380fd789132aa2a46f6e82e36a30
Use __typeof__ for C++11 compatibility.

Bug: 18466763
Change-Id: I13caa2d79a35db64ad3d9ed87fb0dc835c3e96dd