Fix a crash when starting up LatinIME or changing orientation. Bug:2403575

src/com/android/inputmethod/latin/LatinIME.java

@@ -793,7 +793,9 @@ public class LatinIME extends InputMethodService
         }
         mKeyboardSwitcher.setInputLocale(new Locale(mInputLanguage),
                 getSelectedInputLanguages() != null);
+        if (mInputView != null) {
             mKeyboardSwitcher.setVoiceMode(mEnableVoice, mVoiceOnPrimary);
+        }
         mKeyboardSwitcher.makeKeyboards(true);
     }