Merge "Don't assume _soong_config_namespaces_key is present"

        globals[k] = getattr(rblf_cli, k)

    globals.setdefault("PRODUCT_SOONG_NAMESPACES", [])

    globals.setdefault(_soong_config_namespaces_key, {})

    _envsetup_init(globals, version_info)

    # Variables that should be defined.

def _soong_config_namespace(g, nsname):

    """Adds given namespace if it does not exist."""

    if g[_soong_config_namespaces_key].get(nsname):

    old = g.get(_soong_config_namespaces_key, {})

    if old.get(nsname):

        return

    # A value cannot be updated, so we need to create a new dictionary

    old = g[_soong_config_namespaces_key]

    g[_soong_config_namespaces_key] = dict([(k,v) for k,v in old.items()] + [(nsname, {})])

def _soong_config_set(g, nsname, var, value):