Add additional android specific kernel headers

Binder and Android alarm interfaces are needed from userspace at compile time and we
should ship the same as Android does with it's kernel header package.

Signed-off-by: Simon Busch <morphis@gravedo.de>
Generate pkg-config configuration file for our header package

Signed-off-by: Simon Busch <morphis@gravedo.de>
Merge pull request #234 from webOS-ports/kernel-headers

Kernel headers