Fix -/_ typo.

Bug: http://b/77236525
Bug: http://b/77276121
Test: builds
Change-Id: I54adfe7898b4bd7d708240c5d9cee6ba8ec723fd
diff --git a/tests/Android.bp b/tests/Android.bp
index b9a46d1..eaa56c6 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -597,7 +597,7 @@
         "libnstest_ns_b_public3",
         "ld_preload_test_helper",
         "ld_preload_test_helper_lib1",
-        "ld_preload-test_helper_lib2",
+        "ld_preload_test_helper_lib2",
         "ld_config_test_helper",
         "ld_config_test_helper_lib1",
         "ld_config_test_helper_lib2",