Add sound volume to device attribute reporting

components/policy/resources/policy_templates.json

Index: components/policy/resources/policy_templates.json
diff --git a/components/policy/resources/policy_templates.json b/components/policy/resources/policy_templates.json
index 9160b019d7d6ebd30ffbe6026e8de197cad3e518..d28fe500b56c503964c4d0504d72aff78786f3ea 100644
--- a/components/policy/resources/policy_templates.json
+++ b/components/policy/resources/policy_templates.json
@@ -139,7 +139,7 @@
 #   persistent IDs for all fields (but not for groups!) are needed. These are
 #   specified by the 'id' keys of each policy. NEVER CHANGE EXISTING IDs,
 #   because doing so would break the deployed wire format!
-#   For your editing convenience: highest ID currently used: 366
+#   For your editing convenience: highest ID currently used: 367
 #   And don't forget to also update the EnterprisePolicies enum of
 #   histograms.xml (run tools/metrics/histograms/update_policies.py).
 #
@@ -9617,6 +9617,25 @@
 
       If this policy is set to a list of input method identifiers, the given input methods will be available on the sign-in screen. The first given input method will be preselected. While a user pod is focused on the sign-in screen, the user's last used input method will be available in addition to the input methods given by this policy. If this policy is not set, the input methods on the sign-in screen will be derived from the locale in which the sign-in screen is displayed. Values which are not valid input method identifiers will be ignored.''',
     },
+    {
+      'name': 'ReportSoundVolume',
+      'type': 'main',
+      'schema': { 'type': 'boolean' },
+      'supported_on': ['chrome_os:58-'],
+      'device_only': True,
+      'features': {
+        'dynamic_refresh': True,
+      },
+      'example_value': False,
+      'id': 367,
+      'caption': '''Report sound volume''',
+      'tags': ['admin-sharing'],
+      'desc': '''Report current sound volume of the device.
+
+      If the policy is set to false, the statistics will not be reported.
+      If set to true or left unset, statistics will be reported.''',
+      'arc_support': 'This policy has no effect on the logging done by Android.',
+    },
   ],
   'messages': {
     # Messages that are not associated to any policies.