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: I1c67a5c7e6af723022c1d631d90b405feb090a65
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1700927Reviewed-by: kylechar <kylechar@chromium.org>
Reviewed-by: oysteine <oysteine@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Eric Foo <efoo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#681135}

base/ios/OWNERS

 eugenebut@chromium.org
 rohitrao@chromium.org
 sdefresne@chromium.org
+# COMPONENT: Internals
+# TEAM: ios-directory-owners@chromium.org

chrome/browser/performance_monitor/OWNERS

 oysteine@chromium.org
 sebmarchand@chromium.org
 simonhatch@chromium.org
+# COMPONENT: Internals

chrome/browser/tracing/OWNERS

 file://base/trace_event/OWNERS
+# COMPONENT: Speed>Tracing
+# TEAM: tracing@chromium.org

ios/chrome/test/OWNERS

@@ -6,3 +6,4 @@ per-file BUILD.gn=*
 
 # TEAM: ios-directory-owners@chromium.org
 # OS: iOS
+# COMPONENT: Test

services/viz/OWNERS

 file://components/viz/OWNERS
+
+# COMPONENT: Internals>Services>Viz