[Android app restrictions] Hide unused and improve descriptions.

tools/grit/grit/format/policy_templates/writers/android_policy_writer.py

Index: tools/grit/grit/format/policy_templates/writers/android_policy_writer.py
diff --git a/tools/grit/grit/format/policy_templates/writers/android_policy_writer.py b/tools/grit/grit/format/policy_templates/writers/android_policy_writer.py
index 3f8518382a55582b185c3a845a8d273a1328e9c5..b5a686260c3935a4d519752c87302d2d9feaf005 100755
--- a/tools/grit/grit/format/policy_templates/writers/android_policy_writer.py
+++ b/tools/grit/grit/format/policy_templates/writers/android_policy_writer.py
@@ -64,18 +64,12 @@ class AndroidPolicyWriter(xml_formatted_writer.XMLFormattedWriter):
   def CanBeRecommended(self, policy):
     return False
 
-  def IsDeprecatedPolicySupported(self, policy):
-    return True
-
-  def IsFuturePolicySupported(self, policy):
-    return True
-
   def WritePolicy(self, policy):
     name = policy['name']
     self.AddStringResource(name + 'Title', policy['caption'])
 
-    # Get the first line of the policy description.
-    description = policy['desc'].split('\n', 1)[0]
+    # Get the policy description.
+    description = policy['desc']
     self.AddStringResource(name + 'Desc', description)
 
     items = policy.get('items')