Make plugin registries work
diff --git a/package.xml b/package.xml
index e29c55d..1caf850 100644
--- a/package.xml
+++ b/package.xml
@@ -163,8 +163,6 @@
     <file baseinstalldir="/" name="include/grpc/status.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/load_balancer_api.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/lb_policy/pick_first/pick_first.h" role="src" />
-    <file baseinstalldir="/" name="src/core/ext/lb_policy/round_robin/round_robin.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/alpn.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/bin_encoder.h" role="src" />
     <file baseinstalldir="/" name="src/core/ext/transport/chttp2/transport/chttp2_transport.h" role="src" />
@@ -463,6 +461,7 @@
     <file baseinstalldir="/" name="src/core/lib/tsi/fake_transport_security.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/ssl_transport_security.c" role="src" />
     <file baseinstalldir="/" name="src/core/lib/tsi/transport_security.c" role="src" />
+    <file baseinstalldir="/" name="src/core/plugin_registry/grpc_plugin_registry.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_common.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_decode.c" role="src" />
     <file baseinstalldir="/" name="third_party/nanopb/pb_encode.c" role="src" />