OWNERS files updated with latest COMPONENT and TEAMS.

This is CL is generated by a script. Data is pulled from
review conducted in Q2 2019. See https://tinyurl.com/yxau5sc4
for context.

Bug: 977050
Change-Id: Ida88bbeda035099d0b6a4c41be6b298a1fdb5099
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1700864Reviewed-by: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Arthur Sonzogni <arthursonzogni@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: Eric Foo <efoo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683332}

components/language_usage_metrics/OWNERS

 file://components/translate/OWNERS
+# COMPONENT: UI>Browser>Language

components/test/android/OWNERS

 jaekyun@chromium.org
 tedchoc@chromium.org
+# COMPONENT: Tests

content/browser/frame_host/OWNERS

 # COMPONENT: Internals>Sandbox>SiteIsolation
+# TEAM: site-isolation-dev@chromium.org
+
 arthursonzogni@chromium.org
 
 # For surface ID propagation and synchronization

ios/net/OWNERS

@@ -4,3 +4,4 @@ marq@chromium.org
 
 # TEAM: ios-directory-owners@chromium.org
 # OS: iOS
+# COMPONENT: Internals>Services>Network