cheets: Removed hardcoded version from Android.mk

Instead the build file now extracts the version from configure.ac. This
makes it easier to uprev by just getting new files without having to
remember to touch Android.mk.

TEST=wayland-version.h defines version "1.11.0" (current version)

Change-Id: Ic7d0054de2e1028c8818ecd4caa441116c65fdae
1 file changed