Track CM external_aac

Change-Id: I279f137dbefd1fefef7865056ba9a89554e97382
Signed-off-by: houst0nn <houstonn@gmail.com>
Track CM external_f2fs-tools

Change-Id: I2927ee8f6dd5a7dac546324b4956c9c1bed1c360
Signed-off-by: houst0nn <houstonn@gmail.com>
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
Add and track CM's opt_connectivity

Change-Id: I2ca1df8d512f57a5f6a15648a075cef1da0f600a