Remove sockaddr type structs and socklen_t from internal core APIs, update POSIX tests
diff --git a/src/core/ext/client_config/parse_address.h b/src/core/ext/client_config/parse_address.h
index 16300de..a309c03 100644
--- a/src/core/ext/client_config/parse_address.h
+++ b/src/core/ext/client_config/parse_address.h
@@ -37,20 +37,18 @@
 #include <stddef.h>
 
 #include "src/core/ext/client_config/uri_parser.h"
-#include "src/core/lib/iomgr/sockaddr.h"
+#include "src/core/lib/iomgr/resolve_address.h"
 
-#ifdef GRPC_HAVE_UNIX_SOCKET
 /** Populate \a addr and \a len from \a uri, whose path is expected to contain a
  * unix socket path. Returns true upon success. */
-int parse_unix(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
-#endif
+int parse_unix(grpc_uri *uri, grpc_resolved_address *resolved_addr);
 
 /** Populate /a addr and \a len from \a uri, whose path is expected to contain a
  * host:port pair. Returns true upon success. */
-int parse_ipv4(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+int parse_ipv4(grpc_uri *uri, grpc_resolved_address *resolved_addr);
 
 /** Populate /a addr and \a len from \a uri, whose path is expected to contain a
  * host:port pair. Returns true upon success. */
-int parse_ipv6(grpc_uri *uri, struct sockaddr_storage *addr, size_t *len);
+int parse_ipv6(grpc_uri *uri, grpc_resolved_address *resolved_addr);
 
 #endif /* GRPC_CORE_EXT_CLIENT_CONFIG_PARSE_ADDRESS_H */