Revert I871cfaaf Latin IME Keyboard sounds off by default

Change-Id: If4b90daa04df0b554faf2886fe83410e086e5b9c
diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 34732fc..5ce1b7e 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -2121,7 +2121,7 @@
         Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
         mVibrateOn = vibrator != null && vibrator.hasVibrator()
                 && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false);
-        mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON, true);
+        mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON, false);
 
         mPopupOn = isPopupEnabled(prefs);
         mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true);