Add database to store anomaly data

1. Refactor HighUsageApp to AppInfo so it could be
reused both in dialog and app restriction
2. Add BatteryDatabaseHelper to store the anomaly log

Bug: 70570352
Test: RunSettingsRoboTests

Change-Id: I900cd9746ff7f1e19bd6f3948463588b7cf72b85

src/com/android/settings/fuelgauge/batterytip/AppInfo.java

@@ -0,0 +1,101 @@
+/*
+ * 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.
+ */
+
+package com.android.settings.fuelgauge.batterytip;
+
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.support.annotation.VisibleForTesting;
+
+import com.android.settings.fuelgauge.anomaly.Anomaly;
+
+/**
+ * Model class stores app info(e.g. package name, type..) that used in battery tip
+ */
+public class AppInfo implements Comparable<AppInfo>, Parcelable {
+    public final String packageName;
+    /**
+     * Anomaly type of the app
+     * @see Anomaly.AnomalyType
+     */
+    public final int anomalyType;
+    public final long screenOnTimeMs;
+
+    private AppInfo(AppInfo.Builder builder) {
+        packageName = builder.mPackageName;
+        anomalyType = builder.mAnomalyType;
+        screenOnTimeMs = builder.mScreenOnTimeMs;
+    }
+
+    @VisibleForTesting
+    AppInfo(Parcel in) {
+        packageName = in.readString();
+        anomalyType = in.readInt();
+        screenOnTimeMs = in.readLong();
+    }
+
+    @Override
+    public int compareTo(AppInfo o) {
+        return Long.compare(screenOnTimeMs, o.screenOnTimeMs);
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeString(packageName);
+        dest.writeInt(anomalyType);
+        dest.writeLong(screenOnTimeMs);
+    }
+
+    public static final Parcelable.Creator CREATOR = new Parcelable.Creator() {
+        public AppInfo createFromParcel(Parcel in) {
+            return new AppInfo(in);
+        }
+
+        public AppInfo[] newArray(int size) {
+            return new AppInfo[size];
+        }
+    };
+
+    public static final class Builder {
+        private int mAnomalyType;
+        private String mPackageName;
+        private long mScreenOnTimeMs;
+
+        public Builder setAnomalyType(int type) {
+            mAnomalyType = type;
+            return this;
+        }
+
+        public Builder setPackageName(String packageName) {
+            mPackageName = packageName;
+            return this;
+        }
+
+        public Builder setScreenOnTimeMs(long screenOnTimeMs) {
+            mScreenOnTimeMs = screenOnTimeMs;
+            return this;
+        }
+
+        public AppInfo build() {
+            return new AppInfo(this);
+        }
+    }
+}