Migrate power manager native services to AIDL.

Migrage power manager native service to AIDL. Use aidl compiler to
generate native cpp header and source files from
frameworks/base/core/java/android/os/IPowerManager.aidl, retire
manually enrolled IPowerManager header and source files.

Bug: 149479744
Test: atest PowerManagerServiceTest

Change-Id: I3123a8803c334f7e82fe6da3df0202eb56786b1c
diff --git a/services/powermanager/include/android/PowerSaveState.h b/services/powermanager/include/android/PowerSaveState.h
new file mode 100644
index 0000000..b421f6a
--- /dev/null
+++ b/services/powermanager/include/android/PowerSaveState.h
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ */
+
+#ifndef ANDROID_OS_POWER_SAVE_STATE_H
+#define ANDROID_OS_POWER_SAVE_STATE_H
+
+#include <math.h>
+#include <binder/Parcelable.h>
+#include <utils/RefBase.h>
+
+namespace android::os {
+
+enum class LocationMode : int32_t;
+/**
+ * PowerSaveState is a structure to encapsulate PowerSaveState status.
+ * This file needs to be kept in sync with frameworks/base/core/java/android/os/PowerSaveState.java
+ */
+struct PowerSaveState : public android::Parcelable {
+
+    PowerSaveState(bool batterySaverEnabled = false,
+                   bool globalBatterySaverEnabled = false,
+                   LocationMode locationMode = static_cast<LocationMode>(0),
+                   float brightnessFactor = 0.5f)
+            : mBatterySaverEnabled(batterySaverEnabled),
+              mGlobalBatterySaverEnabled(globalBatterySaverEnabled),
+              mLocationMode(locationMode),
+              mBrightnessFactor(brightnessFactor) {
+    }
+
+    bool getBatterySaverEnabled() const { return mBatterySaverEnabled; }
+    bool getGlobalBatterySaverEnabled() const { return mGlobalBatterySaverEnabled; }
+    LocationMode getLocationMode() const { return mLocationMode; }
+    float getBrightnessFactor() const { return mBrightnessFactor; }
+    bool operator == (const PowerSaveState &ps) const {
+        return mBatterySaverEnabled == ps.mBatterySaverEnabled &&
+               mGlobalBatterySaverEnabled == ps.mGlobalBatterySaverEnabled &&
+               mLocationMode == ps.mLocationMode &&
+               fabs(mBrightnessFactor - ps.mBrightnessFactor) == 0.0f;
+    }
+
+    status_t readFromParcel(const android::Parcel* parcel) override;
+    status_t writeToParcel(android::Parcel* parcel) const override;
+
+private:
+    /** Whether we should enable battery saver for this service. */
+    bool mBatterySaverEnabled;
+    /** Whether battery saver mode is enabled. */
+    bool mGlobalBatterySaverEnabled;
+    /** Location mode */
+    LocationMode mLocationMode;
+    /** Screen brightness factor. */
+    float mBrightnessFactor;
+};
+
+} // namespace android::os
+
+#endif /* ANDROID_OS_POWER_SAVE_STATE_H */