Fix mac builds

Add libz-host back as a dependency to fix darwin builds.

Change-Id: I1abc9e2f336e029592a5fcc27a79f94ad235547e
diff --git a/runtime/Android.bp b/runtime/Android.bp
index 7d2e137..012256e 100644
--- a/runtime/Android.bp
+++ b/runtime/Android.bp
@@ -359,6 +359,7 @@
             ],
             shared_libs: [
                 "libziparchive",
+                "libz-host",
             ],
         },
     },