media: Enable ffmpeg decoders

Change-Id: I30eb149a1be00eb312986f7c205a648e788ae0c0
Merge remote-tracking branch 'cm/cm-12.0' into L5

Change-Id: If77b5f41109eb81edfec3a504e2e868e39b2175f
Set net.tcp read/write buffersizes

Change-Id: I0d36ec311e6822ea9c199acf62b041b254277894