Fixed OWNERS file formatting.

The norm is to have a space between # and COMPONENT.

Change-Id: I6cf5b9dc74090d6438e9860282bdb29693b86413
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1736697
Auto-Submit: Caitlin Fischer <caitlinfischer@google.com>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/master@{#684032}

chrome/browser/chromeos/printing/OWNERS

 file://chromeos/printing/OWNERS
 
-#TEAM: cros-printing-dev@chromium.org
-#COMPONENT: Internals>Printing>CUPS
+# TEAM: cros-printing-dev@chromium.org
+# COMPONENT: Internals>Printing>CUPS

chromeos/printing/OWNERS

@@ -3,5 +3,5 @@ thestig@chromium.org
 zentaro@chromium.org
 luum@chromium.org
 
-#TEAM: cros-printing-dev@chromium.org
-#COMPONENT: Internals>Printing>CUPS
+# TEAM: cros-printing-dev@chromium.org
+# COMPONENT: Internals>Printing>CUPS