Tiny code fix required for http://b/2260798 .

(We were trying to place the emergency call button beneath a
layout object that no longer exists, which is why it was
showing up at the top of the screen on top of other things.)

Change-Id: I10b8b90f0e5923edf5d672b822ee8da6e28933d2

policy/com/android/internal/policy/impl/LockScreen.java

@@ -488,7 +488,7 @@ class LockScreen extends LinearLayout implements KeyguardScreen, KeyguardUpdateM
                 mScreenLocked.setVisibility(View.INVISIBLE);
                 mSelector.setVisibility(View.VISIBLE);
                 mEmergencyCallButton.setVisibility(View.VISIBLE);
-                putEmergencyBelow(R.id.divider);
+                putEmergencyBelow(R.id.screenLocked);
                 break;
             case SimMissingLocked:
                 // text