[4/N] Add DIR_METADATA files to directories under //chromeos/

Generate DIR_METADATA files and remove metadata from OWNERS
files for directories under //chromeos/.

R=khorimoto@chromium.org

Bug: 1113033
Change-Id: Ie14097dd12af3f57e9cffbab771c47c90fc2beb8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2545750
Commit-Queue: Gavin Mak <gavinmak@google.com>
Auto-Submit: Gavin Mak <gavinmak@google.com>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828793}

chromeos/network/proxy/DIR_METADATA

+monorail {
+  component: "OS>Systems>Network"
+}

chromeos/network/proxy/OWNERS

-# COMPONENT: OS>Systems>Network

chromeos/policy/DIR_METADATA

+monorail {
+  component: "Enterprise"
+}

chromeos/policy/OWNERS

@@ -8,5 +8,3 @@ hendrich@chromium.org
 pmarko@chromium.org
 poromov@chromium.org
 rsorokin@chromium.org
-
-# COMPONENT: Enterprise

chromeos/printing/DIR_METADATA

+monorail {
+  component: "Internals>Printing>CUPS"
+}
+team_email: "cros-printing-dev@chromium.org"

chromeos/printing/OWNERS

@@ -2,6 +2,3 @@ skau@chromium.org
 thestig@chromium.org
 zentaro@chromium.org
 luum@chromium.org
-
-# TEAM: cros-printing-dev@chromium.org
-# COMPONENT: Internals>Printing>CUPS

chromeos/process_proxy/DIR_METADATA

+monorail {
+  component: "Internals"
+}

chromeos/process_proxy/OWNERS

 tbarzic@chromium.org
-# COMPONENT: Internals

chromeos/resources/DIR_METADATA

+monorail {
+  component: "UI>Shell"
+}

chromeos/resources/OWNERS

-# COMPONENT: UI>Shell

chromeos/services/DIR_METADATA

+monorail {
+  component: "UI>Shell"
+}

chromeos/services/OWNERS

-# COMPONENT: UI>Shell

chromeos/services/assistant/DIR_METADATA

+monorail {
+  component: "UI>Shell>Assistant"
+}

chromeos/services/assistant/OWNERS

 file://chromeos/assistant/OWNERS
-
-# COMPONENT: UI>Shell>Assistant

chromeos/services/cros_healthd/DIR_METADATA

+monorail {
+  component: "Enterprise"
+}

chromeos/services/cros_healthd/OWNERS

 pmoy@chromium.org
-
-# COMPONENT: Enterprise

chromeos/services/cros_healthd/public/cpp/DIR_METADATA

+monorail {
+  component: "Enterprise"
+}

chromeos/services/cros_healthd/public/cpp/OWNERS

 pmoy@chromium.org
-
-# COMPONENT: Enterprise

chromeos/services/device_sync/DIR_METADATA

+monorail {
+  component: "OS>Systems>Multidevice"
+}

chromeos/services/device_sync/OWNERS

@@ -2,5 +2,3 @@ file://chromeos/components/multidevice/OWNERS
 
 per-file *_type_converter*.*=set noparent
 per-file *_type_converter*.*=file://ipc/SECURITY_OWNERS
-
-# COMPONENT: OS>Systems>Multidevice

chromeos/services/ime/DIR_METADATA

+monorail {
+  component: "UI>Input>Text>IME"
+}

chromeos/services/ime/OWNERS

@@ -4,5 +4,3 @@ shuchen@chromium.org
 shend@chromium.org
 
 per-file ime_sandbox_hook.*=file://sandbox/linux/OWNERS
-
-# COMPONENT: UI>Input>Text>IME

chromeos/services/libassistant/DIR_METADATA

+monorail {
+  component: "UI>Shell>Assistant"
+}

chromeos/services/libassistant/OWNERS

 file://chromeos/assistant/OWNERS
-
-# COMPONENT: UI>Shell>Assistant

chromeos/services/machine_learning/DIR_METADATA

+monorail {
+  component: "UI>ML>Service"
+}

chromeos/services/machine_learning/OWNERS

@@ -2,4 +2,3 @@ alanlxl@chromium.org
 amoylan@chromium.org
 honglinyu@chromium.org
 martis@chromium.org
-# COMPONENT: UI>ML>Service

chromeos/services/media_perception/DIR_METADATA

+monorail {
+  component: "UI>Shell"
+}

chromeos/services/media_perception/OWNERS

-# COMPONENT: UI>Shell

chromeos/services/multidevice_setup/DIR_METADATA

+monorail {
+  component: "OS>Systems>Multidevice"
+}

chromeos/services/multidevice_setup/OWNERS

 file://chromeos/components/multidevice/OWNERS
-
-# COMPONENT: OS>Systems>Multidevice

chromeos/services/nearby/DIR_METADATA

+monorail {
+  component: "OS>Systems>Multidevice>Nearby"
+}

chromeos/services/nearby/OWNERS

 khorimoto@chromium.org
 file://chrome/browser/nearby_sharing/OWNERS
 file://chrome/browser/sharing/OWNERS
-
-# COMPONENT: OS>Systems>Multidevice>Nearby

chromeos/services/secure_channel/DIR_METADATA

+monorail {
+  component: "OS>Systems>Multidevice"
+}

chromeos/services/secure_channel/OWNERS

 file://chromeos/components/multidevice/OWNERS
-
-# COMPONENT: OS>Systems>Multidevice

chromeos/services/tts/DIR_METADATA

+monorail {
+  component: "Internals>SpeechSynthesis"
+}
+team_email: "chromium-accessibility@chromium.org"

chromeos/services/tts/OWNERS

 file://ui/accessibility/OWNERS
-
-# TEAM: chromium-accessibility@chromium.org
-# COMPONENT: Internals>SpeechSynthesis

chromeos/settings/DIR_METADATA

+monorail {
+  component: "Enterprise"
+}

chromeos/settings/OWNERS

@@ -2,5 +2,3 @@ file://chromeos/policy/OWNERS
 
 # (in PST)
 stevenjb@chromium.org
-
-# COMPONENT: Enterprise

chromeos/strings/DIR_METADATA

+monorail {
+  component: "UI>Shell"
+}

chromeos/strings/OWNERS

-# COMPONENT: UI>Shell

chromeos/system/DIR_METADATA

+monorail {
+  component: "UI>Shell"
+}

chromeos/system/OWNERS

-# COMPONENT: UI>Shell

chromeos/test/DIR_METADATA

+monorail {
+  component: "UI>Shell"
+}

chromeos/test/OWNERS

-# COMPONENT: UI>Shell