Fix leakage of pointer location

When display is removing, we should explicitly remove the pointer
location view to ensure the client object would be released.

Bug: 239078899
Test: Enabled pointer location, add/remove virtual display, check if
      the surface would be released.
Change-Id: I89ef3dc8e5b4aa8c3b7d5c1393d6543a9d3d67db

core/java/com/android/internal/widget/PointerLocationView.java

@@ -828,6 +828,8 @@ public class PointerLocationView extends View implements InputDeviceListener,
                     mSystemGestureExclusionListener, mContext.getDisplayId());
         } catch (RemoteException e) {
             throw e.rethrowFromSystemServer();
+        } catch (IllegalArgumentException e) {
+            Log.e(TAG, "Failed to unregister window manager callbacks", e);
         }
     }
 

services/core/java/com/android/server/wm/DisplayPolicy.java

@@ -2907,7 +2907,10 @@ public class DisplayPolicy {
             return;
         }
 
-        mDisplayContent.unregisterPointerEventListener(mPointerLocationView);
+        if (!mDisplayContent.isRemoved()) {
+            mDisplayContent.unregisterPointerEventListener(mPointerLocationView);
+        }
+
         final WindowManager wm = mContext.getSystemService(WindowManager.class);
         wm.removeView(mPointerLocationView);
         mPointerLocationView = null;
@@ -2932,6 +2935,9 @@ public class DisplayPolicy {
         mHandler.post(mGestureNavigationSettingsObserver::unregister);
         mHandler.post(mForceShowNavBarSettingsObserver::unregister);
         mImmersiveModeConfirmation.release();
+        if (mService.mPointerLocationEnabled) {
+            setPointerLocationEnabled(false);
+        }
     }
 
     @VisibleForTesting