Don't show IME on pattern

Bug: 13327729
Change-Id: Ie83dda98558b66c824c15975310a8fb1835e900f

src/com/android/settings/CryptKeeper.java

@@ -599,11 +599,13 @@ public class CryptKeeper extends Activity implements TextView.OnEditorActionList
         }
         // Asynchronously throw up the IME, since there are issues with requesting it to be shown
         // immediately.
+        if (mLockPatternView == null) {
             mHandler.postDelayed(new Runnable() {
                 @Override public void run() {
                     imm.showSoftInputUnchecked(0, null);
                 }
             }, 0);
+        }
 
         updateEmergencyCallButtonState();
         // Notify the user in 120 seconds that we are waiting for him to enter the password.