Update Android cmake doc for host config options. (#4948)
Update Android cmake doc for host config options. (#4948)

Add additional host configuration flags in the getting started doc to address build errors similar to
https://github.com/google/iree/issues/4915
google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree