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: I3f8995cbfc6ecadff8d67d04bbb210bb4f74a89b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1700833
Commit-Queue: Eric Foo <efoo@chromium.org>
Auto-Submit: Eric Foo <efoo@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Reviewed-by: Matt Menke <mmenke@chromium.org>
Reviewed-by: Sergei Datsenko <dats@chromium.org>
Cr-Commit-Position: refs/heads/master@{#694345}

chromeos/components/drivefs/OWNERS

@@ -6,3 +6,4 @@ per-file *_mojom_traits*.*=set noparent
 per-file *_mojom_traits*.*=file://ipc/SECURITY_OWNERS
 per-file *.typemap=set noparent
 per-file *.typemap=file://ipc/SECURITY_OWNERS
+# COMPONENT: Platform>Apps>FileManager

components/neterror/OWNERS

@@ -6,3 +6,4 @@ chili@chromium.org
 jianli@chromium.org
 
 # COMPONENT: Internals>Network
+# TEAM: net-dev@chromium.org

third_party/instrumented_libraries/OWNERS

 eugenis@chromium.org
 glider@chromium.org
 thomasanderson@chromium.org
+
+# COMPONENT: Internals>Instrumentation