Restructure public side of network service.

mojo/services/network/BUILD.gn

Index: mojo/services/network/BUILD.gn
diff --git a/mojo/services/network/BUILD.gn b/mojo/services/network/BUILD.gn
index 3fc343132f53415074fa0390e7b607f1a0510f92..83202f446e316cb0d7e542feb3eff43c8ecd5079 100644
--- a/mojo/services/network/BUILD.gn
+++ b/mojo/services/network/BUILD.gn
@@ -76,8 +76,8 @@ source_set("lib") {
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/public/cpp/bindings",
-    "//mojo/services/public/cpp/network",
-    "//mojo/services/public/interfaces/network",
+    "//mojo/services/network/public/cpp",
+    "//mojo/services/network/public/interfaces",
     "//net",
     "//url",
   ]
@@ -96,8 +96,8 @@ source_set("sources") {
     "//mojo/application",
     "//mojo/public/c/system:for_shared_library",
     "//mojo/public/cpp/bindings:bindings",
-    "//mojo/services/public/cpp/network",
-    "//mojo/services/public/interfaces/network",
+    "//mojo/services/network/public/cpp",
+    "//mojo/services/network/public/interfaces",
   ]
 }
 
@@ -116,8 +116,8 @@ mojo_native_application("apptests") {
     "//mojo/application:test_support",
     "//mojo/public/cpp/bindings",
     "//mojo/public/cpp/bindings:callback",
-    "//mojo/services/public/cpp/network",
-    "//mojo/services/public/interfaces/network",
+    "//mojo/services/network/public/cpp",
+    "//mojo/services/network/public/interfaces",
     "//net",
     "//testing/gtest",
   ]