Add FFMPEG and stagefright-plugins to the project

Change-Id: I67d1dfa2136e99961a146094c248abf3555d69bd
Add CURL and BSON to the build

Sync up with CM repos

Change-Id: Iea9622c5c93faf13900ba6ba8271d0218ac5e510
Add protobuf-c project to the build

Change-Id: Ia5f9ff152929f0ac772456a5e919873db5918bd9