Create Power Stats AIDL interface

Bug: 162472196
Test: m
Change-Id: I225135c24cc713da085ff7238c1b0695e8ab93ed
diff --git a/powerstats/aidl/default/PowerStats.h b/powerstats/aidl/default/PowerStats.h
new file mode 100644
index 0000000..392d1e6
--- /dev/null
+++ b/powerstats/aidl/default/PowerStats.h
@@ -0,0 +1,44 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+#include <aidl/android/hardware/powerstats/BnPowerStats.h>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace powerstats {
+
+class PowerStats : public BnPowerStats {
+  public:
+    PowerStats() = default;
+    ndk::ScopedAStatus getEnergyData(const std::vector<int32_t>& in_railIndices,
+                                     std::vector<EnergyData>* _aidl_return) override;
+    ndk::ScopedAStatus getPowerEntityInfo(std::vector<PowerEntityInfo>* _aidl_return) override;
+    ndk::ScopedAStatus getPowerEntityStateInfo(
+            const std::vector<int32_t>& in_powerEntityIds,
+            std::vector<PowerEntityStateSpace>* _aidl_return) override;
+    ndk::ScopedAStatus getPowerEntityStateResidencyData(
+            const std::vector<int32_t>& in_powerEntityIds,
+            std::vector<PowerEntityStateResidencyResult>* _aidl_return) override;
+    ndk::ScopedAStatus getRailInfo(std::vector<RailInfo>* _aidl_return) override;
+};
+
+}  // namespace powerstats
+}  // namespace hardware
+}  // namespace android
+}  // namespace aidl