Add DIR_METADATA files to //components/infobars

Generate DIR_METADATA files and remove metadata from OWNERS files for
//components/infobars

Bug: 1113033
Change-Id: I91afed53796b1795e0eaaaa91c606f8122c7fb65
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2543586Reviewed-by: Evan Stade <estade@chromium.org>
Commit-Queue: Norman Rosas <normando@google.com>
Cr-Commit-Position: refs/heads/master@{#828733}

components/infobars/DIR_METADATA

+monorail {
+  component: "UI>Browser>Infobars"
+}
+team_email: "chromium-reviews@chromium.org"
\ No newline at end of file

components/infobars/OWNERS

 estade@chromium.org
 pkasting@chromium.org
-
-# COMPONENT: UI>Browser>Infobars
-# TEAM: chromium-reviews@chromium.org

components/infobars/android/DIR_METADATA

+monorail {
+  component: "UI>Browser>Mobile>Messages"
+}
+os: ANDROID
\ No newline at end of file

components/infobars/android/OWNERS

@@ -5,6 +5,3 @@ pavely@chromium.org
 dtrainor@chromium.org
 mdjones@chromium.org
 twellington@chromium.org
-
-# COMPONENT: UI>Browser>Mobile>Messages
-# OS: Android