Add TEST_MAPPING for libnativeloader

Bug: 130388701
Test: watch TH to see if libnativeloader_test is running
Change-Id: I0940d13ec4e5c680ce1dbf2f5980b3b20080f7e4
diff --git a/libnativeloader/Android.bp b/libnativeloader/Android.bp
index d1c8351..b860db9 100644
--- a/libnativeloader/Android.bp
+++ b/libnativeloader/Android.bp
@@ -92,4 +92,5 @@
         "libnativeloader-headers",
     ],
     system_shared_libs: ["libc", "libm"],
+    test_suites: ["device-tests"],
 }