[buganizer] Migrate DIR_METADATA for components/url*

Migrate all metadata files for components/url* and mixins
used by metadata files under components/url*.

Verify components with http://b/components/{id} or at
go/chrome-on-buganizer-prod-components.

Bug: chromium:1518875
Change-Id: Id1efe19152a416b39d94b5570df20be7f7b8b9a0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5272804
Commit-Queue: Colin Blundell <blundell@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1257251}

components/url_formatter/DIR_METADATA

@@ -1,3 +1,6 @@
-monorail {
+monorail: {
   component: "UI>Security>UrlFormatting"
 }
+buganizer_public: {
+  component_id: 1457492
+}

components/url_matcher/DIR_METADATA

@@ -1,3 +1,6 @@
-monorail {
+monorail: {
   component: "Internals>Network"
 }
+buganizer_public: {
+  component_id: 1456527
+}

components/url_pattern/DIR_METADATA

@@ -2,3 +2,6 @@ monorail: {
   component: "Blink>URLPattern"
 }
 team_email: "worker-dev@chromium.org"
+buganizer_public: {
+  component_id: 1456700
+}

components/url_pattern_index/DIR_METADATA

@@ -1,3 +1,6 @@
-monorail {
+monorail: {
   component: "Platform>Extensions>API"
 }
+buganizer_public: {
+  component_id: 1456781
+}

components/url_rewrite/DIR_METADATA

@@ -1,3 +1,6 @@
-monorail {
+monorail: {
   component: "Internals>Cast>Receiver"
 }
+buganizer_public: {
+  component_id: 1456374
+}