Move API levels from `uint32_t` to `int`.

(cherrypick of a6c71a09670ca636cca5cfea9d74b03a951e2b5e.)

Bug: N/A
Test: builds
Change-Id: I9c414e30e3c4fe2a4e16a2fe4ce18eae85fe4844
diff --git a/tests/dlext_private.h b/tests/dlext_private.h
index 2621a68..b338ae0 100644
--- a/tests/dlext_private.h
+++ b/tests/dlext_private.h
@@ -98,7 +98,7 @@
 extern bool android_link_namespaces_all_libs(android_namespace_t* from,
                                              android_namespace_t* to);
 
-extern void android_set_application_target_sdk_version(uint32_t target);
+extern void android_set_application_target_sdk_version(int target);
 
 __END_DECLS