libbpf_load_test: fix map location

This test had bitrot.

Bug: N/A
Test: `atest libbpf_load_test`
Change-Id: I3480286e225d8dfbd0badd7bbb7cb77ff29ab0ea
diff --git a/libbpf_android/Android.bp b/libbpf_android/Android.bp
index c369c8c..0892fad 100644
--- a/libbpf_android/Android.bp
+++ b/libbpf_android/Android.bp
@@ -110,4 +110,5 @@
     required: [
         "bpf_load_tp_prog.o",
     ],
+    require_root: true,
 }