Add DIR_METADATA files to //components/printing...

Generate DIR_METADATA files and remove metadata from OWNERS files for
//components/printing...

Bug: 1113033
Change-Id: I4f0aeb9552b900c80bec42e9435a49118f4903c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2555558Reviewed-by: Darin Fisher <darin@chromium.org>
Commit-Queue: Norman Rosas <normando@google.com>
Cr-Commit-Position: refs/heads/master@{#831947}

components/printing/DIR_METADATA

+monorail {
+  component: "Internals>Printing"
+}

components/printing/OWNERS

 file://printing/OWNERS
-# COMPONENT: Internals>Printing

components/printing/browser/DIR_METADATA

+monorail {
+  component: "Internals>Printing"
+}

components/printing/browser/OWNERS

-# COMPONENT: Internals>Printing
 
 # Service sandbox specialization must be reviewed by SECURITY_OWNERS
 per-file service_sandbox_type.h=set noparent
-per-file service_sandbox_type.h=file://ipc/SECURITY_OWNERS
\ No newline at end of file
+per-file service_sandbox_type.h=file://ipc/SECURITY_OWNERS

components/printing/common/DIR_METADATA

+monorail {
+  component: "Internals>Printing"
+}

components/printing/common/OWNERS

@@ -9,4 +9,3 @@ per-file *.mojom=file://ipc/SECURITY_OWNERS
 
 per-file *_param_traits*.*=set noparent
 per-file *_param_traits*.*=file://ipc/SECURITY_OWNERS
-# COMPONENT: Internals>Printing

components/printing/resources/DIR_METADATA

+monorail {
+  component: "Internals>Printing"
+}

components/printing/resources/OWNERS

 # For trivial or mechanical horizontal JS/CSS/HTML changes.
 file://ui/webui/PLATFORM_OWNERS
-
-# COMPONENT: Internals>Printing