speak now language is not same as that in settings

[GoogleCodeExporter]

What steps will reproduce the problem?
1. open Messages app->new message
2. click voice input icon->click earth icon at the bottom-left->tap settings 
option->choose espaniol(mexico) language
3. take back to the new message and check the keyboard language.

What is the expected output? What do you see instead?
the keyboard language is not same to the chosen language(not mexico espaniol).

What version of the product are you using? On what operating system?
Android 5.0.

Please provide any additional information below.

Original issue reported on code.google.com by h1801552...@gmail.com on 20 Aug 2015 at 11:59