Remove old NFC unlock api

Bug: 16401635
Change-Id: I667d91c2346355ed0a2115644e6192f5f208e288

api/current.txt

@@ -19045,7 +19045,6 @@ package android.nfc {
     method public boolean invokeBeam(android.app.Activity);
     method public boolean isEnabled();
     method public boolean isNdefPushEnabled();
-    method public boolean registerLockscreenDispatch(android.nfc.NfcAdapter.NfcLockscreenDispatch, java.lang.String[]);
     method public void setBeamPushUris(android.net.Uri[], android.app.Activity);
     method public void setBeamPushUrisCallback(android.nfc.NfcAdapter.CreateBeamUrisCallback, android.app.Activity);
     method public void setNdefPushMessage(android.nfc.NdefMessage, android.app.Activity, android.app.Activity...);
@@ -19081,10 +19080,6 @@ package android.nfc {
     method public abstract android.nfc.NdefMessage createNdefMessage(android.nfc.NfcEvent);
   }
 
-  public static abstract interface NfcAdapter.NfcLockscreenDispatch {
-    method public abstract boolean onTagDetected(android.nfc.Tag);
-  }
-
   public static abstract interface NfcAdapter.OnNdefPushCompleteCallback {
     method public abstract void onNdefPushComplete(android.nfc.NfcEvent);
   }

core/java/android/nfc/INfcAdapter.aidl

@@ -57,7 +57,6 @@ interface INfcAdapter
     void setReaderMode (IBinder b, IAppCallback callback, int flags, in Bundle extras);
     void setP2pModes(int initatorModes, int targetModes);
 
-    void registerLockscreenDispatch(INfcLockscreenDispatch lockscreenDispatch, in int[] techList);
     void addNfcUnlockHandler(INfcUnlockHandler unlockHandler, in int[] techList);
     void removeNfcUnlockHandler(INfcUnlockHandler unlockHandler);
 }

core/java/android/nfc/NfcAdapter.java

@@ -384,16 +384,6 @@ public final class NfcAdapter {
         public Uri[] createBeamUris(NfcEvent event);
     }
 
-
-    /**
-     * A callback to be invoked when an application has registered for receiving
-     * tags at the lockscreen.
-     */
-    public interface NfcLockscreenDispatch {
-        public boolean onTagDetected(Tag tag);
-    }
-
-
     /**
      * A callback to be invoked when an application has registered as a
      * handler to unlock the device given an NFC tag at the lockscreen.
@@ -1468,26 +1458,6 @@ public final class NfcAdapter {
         }
     }
 
-    public boolean registerLockscreenDispatch(final NfcLockscreenDispatch lockscreenDispatch,
-                                           String[] techList) {
-        try {
-            sService.registerLockscreenDispatch(new INfcLockscreenDispatch.Stub() {
-                @Override
-                public boolean onTagDetected(Tag tag) throws RemoteException {
-                    return lockscreenDispatch.onTagDetected(tag);
-                }
-            }, Tag.getTechCodesFromStrings(techList));
-        } catch (RemoteException e) {
-            attemptDeadServiceRecovery(e);
-            return false;
-        } catch (IllegalArgumentException e) {
-            Log.e(TAG, "Unable to register LockscreenDispatch", e);
-            return false;
-        }
-
-        return true;
-    }
-
     /**
      * Registers a new NFC unlock handler with the NFC service.
      *