Added Disable Passphrase title and summary strings from Preference.xml

res/values/strings.xml

@@ -399,6 +399,8 @@
     <string name="preferences__change_passphrase">Change passphrase</string>
     <string name="preferences__change_my_passphrase">Change my passphrase</string>
     <string name="preferences__complete_key_exchanges">Complete key exchanges</string>
+    <string name="preferences__disable_passphrase">Disable passphrase</string>
+    <string name="preferences__disable_local_encryption_of_messages_and_keys">Disable local encryption of messages and keys</string>
     <string name="preferences__automatically_complete_key_exchanges_for_new_sessions_or_for_existing_sessions_with_the_same_identity_key">Automatically complete key exchanges for new sessions or for existing sessions with the same identity key</string>
     <string name="preferences__forget_passphrase_from_memory_after_some_interval">Forget passphrase from memory after some interval</string>
     <string name="preferences__timeout_passphrase">Timeout passphrase</string>