Add test_suites lines.

Bug: N/A
Test: builds
Change-Id: Ic5e2b9206bcfcb53c774989013b5db6aab462e42
diff --git a/demangle/Android.bp b/demangle/Android.bp
index 8d5b135..f3b4aa0 100644
--- a/demangle/Android.bp
+++ b/demangle/Android.bp
@@ -78,4 +78,6 @@
     shared_libs: [
         "libdemangle",
     ],
+
+    test_suites: ["device-tests"],
 }