Modular vendor

* Vendor name and version defined in vendor.mk all additionl logic should be in configs

* aosp_fixes: fixes aosp sounds, camera
* system: supports int.d and apps backup
* version: naming logic

Change-Id: Iabfacdb7933c3b7fe323df0aac8cdd1fff544244
4.4 Bring up

* Add device configs
* Add prebuilt products

Change-Id: I371a89f4da7e8af6c7bf35a95080a41c78bba740