TextToSpeechTest: always test getLanguage.

This changes the getLanguage helper to return the result from
getLanguage on all platform versions, disabling the deprecated
message on API 21 and above.

android/eSpeakTests/src/com/reecedunn/espeak/test/TextToSpeechTest.java

         Locale initialLocale = getLanguage(getEngine());
         assertThat(getEngine().isLanguageAvailable(new Locale("cel")), isTtsLangCode(TextToSpeech.LANG_NOT_SUPPORTED));
         Locale language = getLanguage(getEngine());
-        if (language != null) {
+        assertThat(getLanguage(getEngine()).getLanguage(), is(initialLocale.getLanguage()));
-            assertThat(getLanguage(getEngine()).getLanguage(), is(initialLocale.getLanguage()));
+        assertThat(getLanguage(getEngine()).getCountry(), is(initialLocale.getCountry()));
-            assertThat(getLanguage(getEngine()).getCountry(), is(initialLocale.getCountry()));
+        assertThat(getLanguage(getEngine()).getVariant(), is(initialLocale.getVariant()));
-            assertThat(getLanguage(getEngine()).getVariant(), is(initialLocale.getVariant()));
-        } else {
-            assertThat(initialLocale, is(nullValue()));
-        }
     }
 
     public void testLanguages()

android/eSpeakTests/src/com/reecedunn/espeak/test/TextToSpeechTestCase.java

     @SuppressWarnings("deprecation")
     public static Locale getLanguage(TextToSpeech engine) {
         if (engine != null) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            return engine.getLanguage();
-                android.speech.tts.Voice voice = engine.getVoice();
-                if (voice != null) {
-                    return voice.getLocale();
-                }
-            } else {
-                return engine.getLanguage();
-            }
         }
         return null;
     }