Add protobuf-c project to the build

 * Needed for build of RIL on some devices.

Change-Id: I49f1db8bbc9df522679fd887d05d8ad0dc0ca702
Add CURL and BSON to the build.

 * Needed for CNE and other stuff

Change-Id: Iff259c2abbf2b25a35e95708d66ba015d3b52901
Track our own copy of chromium.org's openssl

Change-Id: I3e82075981caee1b590067a8706d037a6c3dd4b1