Fix template for native benchmark test config

Bug: 112851515
Test: rm libcore/AndroidTest.xml && atest libjavacore-benchmarks
Change-Id: I126550b6a90b06483e3ee1acec07659fa00fa8af
diff --git a/tradefed/autogen.go b/tradefed/autogen.go
index dd2e355..264e422 100644
--- a/tradefed/autogen.go
+++ b/tradefed/autogen.go
@@ -78,7 +78,7 @@
 func AutoGenNativeBenchmarkTestConfig(ctx android.ModuleContext, prop *string) android.Path {
 	path, autogenPath := testConfigPath(ctx, prop)
 	if autogenPath != nil {
-		autogenTemplate(ctx, autogenPath, "${NativeTestConfigTemplate}")
+		autogenTemplate(ctx, autogenPath, "${NativeBenchmarkTestConfigTemplate}")
 	}
 	return path
 }