Migrate internal pilferPointers usages to InputManager call

Bug: 257977069
Test: presubmit
Change-Id: Iec7123d71a58122854ba9a2576f70b64e8d3f214

services/core/java/com/android/server/input/InputManagerInternal.java

@@ -135,12 +135,6 @@ public abstract class InputManagerInternal {
     /** Create an {@link InputChannel} that is registered to InputDispatcher. */
     public abstract InputChannel createInputChannel(String inputChannelName);
 
-    /**
-     * Pilfer pointers from the input channel with the given token so that ongoing gestures are
-     * canceled for all other channels.
-     */
-    public abstract void pilferPointers(IBinder token);
-
     /**
      * Increments keyboard backlight level if the device has an associated keyboard backlight
      * {@see Light.LIGHT_TYPE_KEYBOARD_BACKLIGHT}

services/core/java/com/android/server/input/InputManagerService.java

@@ -3781,11 +3781,6 @@ public class InputManagerService extends IInputManager.Stub
             return InputManagerService.this.createInputChannel(inputChannelName);
         }
 
-        @Override
-        public void pilferPointers(IBinder token) {
-            mNative.pilferPointers(token);
-        }
-
         @Override
         public void incrementKeyboardBacklight(int deviceId) {
             mKeyboardBacklightController.incrementKeyboardBacklight(deviceId);

services/core/java/com/android/server/inputmethod/HandwritingModeController.java

@@ -18,9 +18,12 @@ package com.android.server.inputmethod;
 
 import static android.view.InputDevice.SOURCE_STYLUS;
 
+import android.Manifest;
 import android.annotation.AnyThread;
 import android.annotation.Nullable;
+import android.annotation.RequiresPermission;
 import android.annotation.UiThread;
+import android.hardware.input.InputManager;
 import android.os.IBinder;
 import android.os.Looper;
 import android.util.Slog;
@@ -141,6 +144,7 @@ final class HandwritingModeController {
      * input events and disposing the input event receiver.
      * @return the handwriting session to send to the IME, or null if the request was invalid.
      */
+    @RequiresPermission(Manifest.permission.MONITOR_INPUT)
     @UiThread
     @Nullable
     HandwritingSession startHandwritingSession(
@@ -169,7 +173,7 @@ final class HandwritingModeController {
         }
         if (DEBUG) Slog.d(TAG, "Starting handwriting session in display: " + mCurrentDisplayId);
 
-        mInputManagerInternal.pilferPointers(mHandwritingSurface.getInputChannel().getToken());
+        InputManager.getInstance().pilferPointers(mHandwritingSurface.getInputChannel().getToken());
 
         // Stop processing more events.
         mHandwritingEventReceiver.dispose();