Fix multiuser.UserLifecycleTests dummy app

The dummy app (used in managedProfileUnlockAndLaunchApp and
managedProfileCreateUnlockInstallAndLaunchApp) wasn't compiling
properly, so we fix that here.

Test: atest multiuser.UserLifecycleTests#managedProfileUnlockAndLaunchApp
Test: atest multiuser.UserLifecycleTests#managedProfileCreateUnlockInstallAndLaunchApp
Change-Id: I3456824e2d31c6f2d2f9f6b892703a02c141d91c
diff --git a/apct-tests/perftests/multiuser/apps/dummyapp/Android.bp b/apct-tests/perftests/multiuser/apps/dummyapp/Android.bp
new file mode 100644
index 0000000..73b2a01
--- /dev/null
+++ b/apct-tests/perftests/multiuser/apps/dummyapp/Android.bp
@@ -0,0 +1,21 @@
+// Copyright (C) 2019 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: "PerftestMultiuserDummyApp",
+
+    srcs: ["src/**/*.java"],
+
+    sdk_version: "test_current",
+}
diff --git a/apct-tests/perftests/multiuser/apps/dummyapp/Android.mk b/apct-tests/perftests/multiuser/apps/dummyapp/Android.mk
deleted file mode 100644
index 31e799e..0000000
--- a/apct-tests/perftests/multiuser/apps/dummyapp/Android.mk
+++ /dev/null
@@ -1,26 +0,0 @@
-# Copyright (C) 2019 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.
-
-LOCAL_PATH:= $(call my-dir)
-
-include $(CLEAR_VARS)
-
-LOCAL_SDK_VERSION := current
-LOCAL_MIN_SDK_VERSION := 19
-
-LOCAL_PACKAGE_NAME := PerftestMultiuserDummyApp
-
-LOCAL_SRC_FILES := $(call all-java-files-under, src)
-
-include $(BUILD_PACKAGE)
\ No newline at end of file