Enable the PrintingEnabled policy on Android from M39

components/policy/resources/policy_templates.json

 {
 # policy_templates.json - Metafile for policy templates
 #
 # The content of this file is evaluated as a Python expression.
 #
 # This file is used as input to generate the following policy templates:
 # ADM, ADMX+ADML, MCX/plist and html documentation.
 #
 # Policy templates are user interface definitions or documents about the
 # policies that can be used to configure Chrome. Each policy is a name-value
@@ skipping 726 matching lines @@
           'desc': '''Restricts the UDP port range used by the remote access host in this machine.
 
           If this policy is left not set, or if it is set to an empty string, the remote access host will be allowed to use any available port, unless the policy <ph name="REMOTEACCESSHOSTFIREWALLTRAVERSAL_POLICY_NAME">RemoteAccessHostFirewallTraversal</ph> is disabled, in which case the remote access host will use UDP ports in the 12400-12409 range.''',
         },
       ],
     },
     {
       'name': 'PrintingEnabled',
       'type': 'main',
       'schema': { 'type': 'boolean' },
-      'supported_on': ['chrome.*:8-', 'chrome_os:11-'],
+      'supported_on': ['chrome.*:8-', 'chrome_os:11-', 'android:39-'],
       'features': {
         'dynamic_refresh': True,
         'per_profile': True,
       },
       'example_value': True,
       'id': 12,
       'caption': '''Enable printing''',
       'desc': '''Enables printing in <ph name="PRODUCT_NAME">$1<ex>Google Chrome</ex></ph> and prevents users from changing this setting.
 
       If this setting is enabled or not configured, users can print.
@@ skipping 6018 matching lines @@
       'desc': '''Text appended in parentheses next to the policies top-level container to indicate that those policies are of the Recommended level''',
       'text': 'Default Settings (users can override)',
     },
     'doc_complex_policies_on_windows': {
       'desc': '''Text pointing the user to a help article for complex policies on Windows''',
       'text': '''encoded as a JSON string, for details see <ph name="COMPLEX_POLICIES_URL">http://www.chromium.org/administrators/complex-policies-on-windows<ex>http://www.chromium.org/administrators/complex-policies-on-windows</ex></ph>''',
     },
   },
   'placeholders': [],
 }