Move "include" folder to overlay folder

+ cherry-picked this: https://github.com/TeamCanjica/android_device_samsung_u8500-common/commit/7458624943cedc4b141f9ac24b031af927e451d3
and this: https://github.com/TeamCanjica/android_device_samsung_u8500-common/commit/92eec32255da5ebc054f65188aabdc0b9338a5e1

Change-Id: I9d444e1110564b17a0a371b7948aa6b638b55ae4