Add DIR_METADATA files to //styleguide

Generate DIR_METADATA files and remove metatada from OWNERS files for //styleguide.

Bug: 1113033
Change-Id: Ia223073dc571c11b1bc55eeaba7e8a9d738de16d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2451392Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814302}

styleguide/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Internals"
+}
\ No newline at end of file

styleguide/OWNERS

-# COMPONENT: Internals

styleguide/java/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Build"
+}
+team_email: "build@chromium.org"
\ No newline at end of file

styleguide/java/OWNERS

@@ -2,6 +2,3 @@ agrieve@chromium.org
 nyquist@chromium.org
 tedchoc@chromium.org
 yfriedman@chromium.org
-
-# TEAM: build@chromium.org
-# COMPONENT: Build

styleguide/python/DIR_METADATA

+# Metadata information for this directory.
+#
+# For more information on DIR_METADATA files, see:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/README.md
+#
+# For the schema of this file, see Metadata message:
+#   https://source.chromium.org/chromium/infra/infra/+/master:go/src/infra/tools/dirmd/proto/dir_metadata.proto
+
+monorail {
+  component: "Build"
+}
+team_email: "build@chromium.org"
\ No newline at end of file

styleguide/python/OWNERS

 agrieve@chromium.org
 dpranke@google.com
 wnwen@chromium.org
-
-# TEAM: build@chromium.org
-# COMPONENT: Build