Bring up to kitkat 4.4r1.1

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Add gcc 4.8

Tested and verified on hammerhead

* Removed gcc 4.6

Change-Id: Icdeb2da3ef7c76ca5dd91d84e5e9ea248914119d
Track our libcore and frameworks native.

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Bring up to kitkat 4.4r1.2

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Update readme

Change-Id: Ib6ac7cf209271095002e8389caf32b1fe3ef956f
refered to our repo