Add VTS tests for PowerStats HAL 2.0

Right now these VTS tests only check for successful return status since
this HAL only contains a stub implementation at the moment. These tests
will be updated as this HAL implementation is completed.

Bug: 165345767
Test: atest VtsHalPowerStatsTargetTest
Change-Id: I3a6a4a333ee743fac4eba8ae225d5d1c9ffff32e
diff --git a/powerstats/aidl/vts/Android.bp b/powerstats/aidl/vts/Android.bp
new file mode 100644
index 0000000..c61022e
--- /dev/null
+++ b/powerstats/aidl/vts/Android.bp
@@ -0,0 +1,32 @@
+// Copyright (C) 2020 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.
+
+cc_test {
+    name: "VtsHalPowerStatsTargetTest",
+    defaults: [
+        "VtsHalTargetTestDefaults",
+        "use_libaidlvintf_gtest_helper_static",
+    ],
+    srcs: ["VtsHalPowerStatsTargetTest.cpp"],
+    shared_libs: [
+        "libbinder_ndk",
+    ],
+    static_libs: [
+        "android.hardware.powerstats-ndk_platform",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}