Add require_root to binderStabilityTest

Bug: 141272654
Test: none
Change-Id: Ife6a6c4d89f4548c4d8fe1b87f2b56f2dded16ac
diff --git a/libs/binder/tests/Android.bp b/libs/binder/tests/Android.bp
index f25e954..635ea69 100644
--- a/libs/binder/tests/Android.bp
+++ b/libs/binder/tests/Android.bp
@@ -166,4 +166,5 @@
     ],
 
     test_suites: ["device-tests"],
+    require_root: true,
 }