Add DIR_METADATA files to //components/find_in_page

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

Bug: 1113033
Change-Id: Ia31af39407628ab5c568efcfbe92d9f1297bca50
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2543544
Commit-Queue: Peter Kasting <pkasting@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828198}

components/find_in_page/DIR_METADATA

+monorail {
+  component: "UI>Browser>FindInPage"
+}
\ No newline at end of file

components/find_in_page/OWNERS

 file://chrome/browser/ui/OWNERS
-
-# COMPONENT: UI>Browser>FindInPage

components/find_in_page/android/DIR_METADATA

+monorail {
+  component: "UI>Browser>FindInPage"
+}
\ No newline at end of file

components/find_in_page/android/OWNERS

 file://chrome/android/OWNERS
-
-# COMPONENT: UI>Browser>FindInPage