Updating various tests to the latest changes.
diff --git a/samples/simple_embedding/device_vmvx_sync.c b/samples/simple_embedding/device_vmvx_sync.c
index fa5981c..f1f633f 100644
--- a/samples/simple_embedding/device_vmvx_sync.c
+++ b/samples/simple_embedding/device_vmvx_sync.c
@@ -34,7 +34,7 @@
   iree_vm_instance_release(instance);
 
   // Use the default host allocator for buffer allocations.
-  iree_string_view_t identifier = iree_make_cstring_view("vmvx");
+  iree_string_view_t identifier = iree_make_cstring_view("local-sync");
   iree_hal_allocator_t* device_allocator = NULL;
   if (iree_status_is_ok(status)) {
     status = iree_hal_allocator_create_heap(identifier, host_allocator,
diff --git a/samples/static_library/static_library_demo.c b/samples/static_library/static_library_demo.c
index 76a0b6c..e8670c5 100644
--- a/samples/static_library/static_library_demo.c
+++ b/samples/static_library/static_library_demo.c
@@ -42,7 +42,7 @@
       &library_loader);
 
   // Use the default host allocator for buffer allocations.
-  iree_string_view_t identifier = iree_make_cstring_view("sync");
+  iree_string_view_t identifier = iree_make_cstring_view("local-sync");
   iree_hal_allocator_t* device_allocator = NULL;
   if (iree_status_is_ok(status)) {
     status = iree_hal_allocator_create_heap(identifier, host_allocator,