authfs: run unit tests in presubmit

Test: TH
Bug: 178874539
Change-Id: If4df4177dcc426a79d2ff4a4ab90510abdddc7d5
diff --git a/authfs/Android.bp b/authfs/Android.bp
index 65d08c9..af1f13d 100644
--- a/authfs/Android.bp
+++ b/authfs/Android.bp
@@ -41,9 +41,8 @@
     defaults: ["authfs_defaults"],
 }
 
-// TODO(victorhsieh): Enable the test once "undefined symbol: _Unwind_Resume" is fixed, then add to
-// TEST_MAPPING.
 rust_test {
     name: "authfs_device_test_src_lib",
     defaults: ["authfs_defaults"],
+    test_suites: ["device-tests"],
 }
diff --git a/authfs/TEST_MAPPING b/authfs/TEST_MAPPING
new file mode 100644
index 0000000..d0c0b09
--- /dev/null
+++ b/authfs/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+  "presubmit": [
+    {
+      "name": "authfs_device_test_src_lib"
+    }
+  ]
+}