Move //mojo/services/X/public/... to //mojo/services/X/... (part 4).

X = vanadium/security,
    view_manager,
    window_manager

(This is the last one, except for network, which is pulled from monet.)

R=jamesr@chromium.org

Review URL: https://codereview.chromium.org/1391243003 .
diff --git a/services/debugger/BUILD.gn b/services/debugger/BUILD.gn
index 4eea5b9..13e11e8 100644
--- a/services/debugger/BUILD.gn
+++ b/services/debugger/BUILD.gn
@@ -25,6 +25,6 @@
     "//mojo/services/http_server/interfaces",
     "//mojo/services/network/public/interfaces",
     "//mojo/services/tracing/interfaces",
-    "//mojo/services/window_manager/public/interfaces",
+    "//mojo/services/window_manager/interfaces",
   ]
 }