4.4 updates

-preliminary selinux configs

Change-Id: I5e40c4425468edaca91ec8fd05a4474f861b39d1
fix vold mounting

Change-Id: I31a9c541c9b735f1e2566170d6d048b06a44825d
Fixed build Error

error: Resource at __________ appears in overlay but not in the base
package; use <add-resource> to add.

Change-Id: I5b4b24228b16aeee15899b44aa8c60d0adc1ce17