Convert hostsidetests/backup/**/Android.mk files to Android.bp

See build/soong/README.md for more information.

Bug: 122332514
Test: atest CtsBackupHostTestCases
Change-Id: I18bdf02d7b56a3a03c7e7a14427751b1c8ce3c9d
diff --git a/hostsidetests/backup/SuccessNotificationApp/Android.bp b/hostsidetests/backup/SuccessNotificationApp/Android.bp
new file mode 100644
index 0000000..f4ff7e0
--- /dev/null
+++ b/hostsidetests/backup/SuccessNotificationApp/Android.bp
@@ -0,0 +1,29 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+android_test_helper_app {
+    name: "CtsBackupSuccessNotificationApp",
+    defaults: ["cts_defaults"],
+    static_libs: [
+        "androidx.test.rules",
+        "platform-test-annotations",
+    ],
+    srcs: ["src/**/*.java"],
+    // tag this module as a cts test artifact
+    test_suites: [
+        "cts",
+        "vts",
+    ],
+    sdk_version: "current",
+}