Add a fuzzer for the linker's ElfReader class.

Bug: https://issuetracker.google.com/380356872
Change-Id: I23d26ae464344fb4075e308bc2438f804a57039a
diff --git a/tests/Android.bp b/tests/Android.bp
index a97f5a8..f227bbc 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -94,6 +94,13 @@
 // Prebuilt shared libraries for use in tests.
 // -----------------------------------------------------------------------------
 
+filegroup {
+    name: "bionic_prebuilt_test_elf_files_arm64",
+    srcs: [
+        "prebuilt-elf-files/arm64/*.so",
+    ],
+}
+
 cc_prebuilt_test_library_shared {
     name: "libtest_invalid-rw_load_segment",
     strip: {