Remove stale connections to DataLoaders.

Bug: 263449831
Fixes: 263449831
Test: atest service.incremental_test
Change-Id: Ia3da6ca047c46807cbd72ef797bb4b300c38efb3
diff --git a/services/incremental/IncrementalService.cpp b/services/incremental/IncrementalService.cpp
index 9c9b363..7ed9599 100644
--- a/services/incremental/IncrementalService.cpp
+++ b/services/incremental/IncrementalService.cpp
@@ -2816,6 +2816,12 @@
 
 binder::Status IncrementalService::DataLoaderStub::onStatusChanged(MountId mountId, int newStatus) {
     if (!isValid()) {
+        if (newStatus == IDataLoaderStatusListener::DATA_LOADER_BOUND) {
+            // Async "bound" came to already destroyed stub.
+            // Unbind immediately to avoid invalid stub sitting around in DataLoaderManagerService.
+            mService.mDataLoaderManager->unbindFromDataLoader(mountId);
+            return binder::Status::ok();
+        }
         return binder::Status::
                 fromServiceSpecificError(-EINVAL, "onStatusChange came to invalid DataLoaderStub");
     }