defconfig: rebrand

Change-Id: I8fbda1788d576f251ae837b87286d2c0ee84f7f1
Signed-off-by: zwliew <zhaoweiliew@gmail.com>
defconfig: regenerate and enable all built in tcp congestion avoidance controllers

Change-Id: I642fd0ebf4313403adf5d51b92d554be2d6d18fd
Signed-off-by: zwliew <zhaoweiliew@gmail.com>
defconfig: set reno as default tcp congestion controller

According to Franco's tests on the Galaxy Nexus, reno averagely yields the best latency, download speed and upload speed.

Change-Id: I425e433a155b835c4f524b9fdcadb0c487a729a4
Signed-off-by: zwliew <zhaoweiliew@gmail.com>