Restore text field used by sliding tab to give ringer mode feedback.

Bug: 2587358
Change-Id: I5ad8745443fc97225af9efb938e4640cfc29b5d7
diff --git a/phone/com/android/internal/policy/impl/LockScreen.java b/phone/com/android/internal/policy/impl/LockScreen.java
index f5fc145..a5ef1fa 100644
--- a/phone/com/android/internal/policy/impl/LockScreen.java
+++ b/phone/com/android/internal/policy/impl/LockScreen.java
@@ -513,11 +513,12 @@
                         getCarrierString(
                                 mUpdateMonitor.getTelephonyPlmn(),
                                 mUpdateMonitor.getTelephonySpn()));
-                // unnecessary clutter
-                //mScreenLocked.setText(R.string.lockscreen_screen_locked);
+
+                // Empty now, but used for sliding tab feedback
+                mScreenLocked.setText("");
 
                 // layout
-                mScreenLocked.setVisibility(View.INVISIBLE);
+                mScreenLocked.setVisibility(View.VISIBLE);
                 mSelector.setVisibility(View.VISIBLE);
                 mEmergencyCallText.setVisibility(View.GONE);
                 break;