style: use value-param context, private intent

Author: PLNech

voice/src/main/kotlin/com/algolia/instantsearch/voice/VoiceSpeechRecognizer.kt

@@ -8,7 +8,7 @@ import android.speech.SpeechRecognizer
 
 
 class VoiceSpeechRecognizer(
-    private val context: Context,
+    context: Context,
     private val maxResults: Int = 1,
     private val language: String? = null
 ) {
@@ -27,7 +27,7 @@ class VoiceSpeechRecognizer(
 
     private val speechRecognizer = SpeechRecognizer.createSpeechRecognizer(context)
 
-    val intent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH).also { intent ->
+    private val intent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH).also { intent ->
         intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, RecognizerIntent.LANGUAGE_MODEL_FREE_FORM)
         intent.putExtra(RecognizerIntent.EXTRA_PARTIAL_RESULTS, true)
         intent.putExtra(RecognizerIntent.EXTRA_MAX_RESULTS, maxResults)