Turn off XOM on libnstest_root.so

The dlext.ns_anonymous test copies the loaded segments of this shared
object into a new mapping, so every segment must be readable. Turn off
eXecute-Only-Memory.

Bug: http://b/123034666
Test: bionic-unit-tests --gtest_filter=dlext.ns_anonymous
Change-Id: I2d427feb81d353e0403c7ef251a55afb4d8729b4
diff --git a/tests/libs/Android.bp b/tests/libs/Android.bp
index 79c9a06..c06cb12 100644
--- a/tests/libs/Android.bp
+++ b/tests/libs/Android.bp
@@ -237,6 +237,10 @@
         "libnstest_public",
         "libnstest_private",
     ],
+    // The dlext.ns_anonymous test copies the loaded segments of this shared
+    // object into a new mapping, so every segment must be readable. Turn off
+    // eXecute-Only-Memory. See http://b/123034666.
+    xom: false,
 }
 
 cc_test_library {