Update build scripts to fix aarch64 build and match configs from aosp

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Update all scripts:

Remove host since it's not supported in android 5 lollipop

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Derp

Signed-off-by: Paul Beeler <pbeeler80@gmail.com>
Merge remote-tracking branch 'sm/master' into master