speech: Fix plurality

Bug: 216474107
Test: atest
Change-Id: I603a1e6e51918f8188376d01d8a2cac178131f10
diff --git a/tests/tests/voiceRecognition/src/android/voicerecognition/cts/AbstractRecognitionServiceTest.java b/tests/tests/voiceRecognition/src/android/voicerecognition/cts/AbstractRecognitionServiceTest.java
index 11c282f..8130fe2 100644
--- a/tests/tests/voiceRecognition/src/android/voicerecognition/cts/AbstractRecognitionServiceTest.java
+++ b/tests/tests/voiceRecognition/src/android/voicerecognition/cts/AbstractRecognitionServiceTest.java
@@ -144,9 +144,9 @@
 
         errors.clear();
         RecognitionSupport rs = new RecognitionSupport.Builder()
-                .addInstalledLanguages("en")
-                .addPendingLanguages("jp")
-                .addSupportedLanguages("de")
+                .addInstalledLanguage("en")
+                .addPendingLanguage("jp")
+                .addSupportedLanguage("de")
                 .build();
         CtsRecognitionService.sConsumerQueue.add(c -> c.onSupportResult(rs));