Add DIR_METADATA files to //cloud_print

Add Generate DIR_METADATA files and remove metadata from OWNERS
files for //cloud_print.

R=thestig@chromium.org

Bug: 1113033
Change-Id: Ia122edb4dbc3ef1918f0b27102c784833cd262e1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2468262
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Auto-Submit: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#816769}

cloud_print/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: "Services>CloudPrint"
+}
\ No newline at end of file

cloud_print/OWNERS

@@ -3,5 +3,3 @@ file://printing/OWNERS
 
 # Translation artifacts:
 per-file *.xtb=file://tools/translation/TRANSLATION_OWNERS
-
-# COMPONENT: Services>CloudPrint