fs_mgr: add test_suites: ["device-tests"]

Bug: 124837435
Test: tree-hugger
Change-Id: Ia82eb9000b62926abbea108fdd77f15f4a2a1f8c
diff --git a/fs_mgr/tests/Android.bp b/fs_mgr/tests/Android.bp
index 59af924..c4d4470 100644
--- a/fs_mgr/tests/Android.bp
+++ b/fs_mgr/tests/Android.bp
@@ -14,6 +14,7 @@
 
 cc_test {
     name: "fs_mgr_unit_test",
+    test_suites: ["device-tests"],
 
     shared_libs: [
         "libbase",