Fix generate_policy_source.py to honour supported_on ranges.

components/policy.gypi

Index: components/policy.gypi
diff --git a/components/policy.gypi b/components/policy.gypi
index e6573b6a289f0f0edfdc87ed449bffdc5ee0db6a..1c174bd3493d3acf3974027af300c04c269dc4bd 100644
--- a/components/policy.gypi
+++ b/components/policy.gypi
@@ -6,6 +6,7 @@
   'includes': [
     # Included to get 'mac_bundle_id' and other variables.
     '../build/chrome_settings.gypi',
+    '../build/util/version.gypi',
   ],
   'variables': {
     'chromium_code': 1,
@@ -128,6 +129,7 @@
                 '--cloud-policy-decoder=<(protobuf_decoder_path)',
                 '--app-restrictions-definition=<(app_restrictions_path)',
                 '--app-restrictions-resources=<(app_resources_path)',
+		'<(version_full)',
                 '<(OS)',
                 '<(chromeos)',
                 'policy/resources/policy_templates.json',