startop: Forward the package update event from dexopt service to iorapd.

Bug: 150640692
Test: adb shell cmd package bg-dexopt-job com.google.android.GoogleCamera

Change-Id: Ic51091eb06a460571edfa584437cb18cf31ce815

startop/iorap/src/com/google/android/startop/iorap/DexOptEvent.java

@@ -0,0 +1,114 @@
+/*
+ * 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.
+ */
+
+package com.google.android.startop.iorap;
+
+import android.annotation.NonNull;
+import android.os.Parcelable;
+import android.os.Parcel;
+
+import android.annotation.IntDef;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.util.Objects;
+
+/**
+ * Notifications for iorapd specifying when a package is updated by dexopt service.<br /><br />
+ *
+ * @hide
+ */
+public class DexOptEvent implements Parcelable {
+    public static final int TYPE_PACKAGE_UPDATE = 0;
+    private static final int TYPE_MAX = 0;
+
+    /** @hide */
+    @IntDef(flag = true, prefix = { "TYPE_" }, value = {
+            TYPE_PACKAGE_UPDATE,
+    })
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface Type {}
+
+    @Type public final int type;
+    public final String packageName;
+
+    @NonNull
+    public static DexOptEvent createPackageUpdate(String packageName) {
+        return new DexOptEvent(TYPE_PACKAGE_UPDATE, packageName);
+    }
+
+    private DexOptEvent(@Type int type, String packageName) {
+        this.type = type;
+        this.packageName = packageName;
+
+        checkConstructorArguments();
+    }
+
+    private void checkConstructorArguments() {
+        CheckHelpers.checkTypeInRange(type, TYPE_MAX);
+        Objects.requireNonNull(packageName, "packageName");
+    }
+
+    @Override
+    public String toString() {
+        return String.format("{DexOptEvent: packageName: %s}", packageName);
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        if (this == other) {
+            return true;
+        } else if (other instanceof DexOptEvent) {
+            return equals((DexOptEvent) other);
+        }
+        return false;
+    }
+
+    private boolean equals(DexOptEvent other) {
+        return packageName.equals(other.packageName);
+    }
+
+    //<editor-fold desc="Binder boilerplate">
+    @Override
+    public void writeToParcel(Parcel out, int flags) {
+        out.writeInt(type);
+        out.writeString(packageName);
+    }
+
+    private DexOptEvent(Parcel in) {
+        this.type = in.readInt();
+        this.packageName = in.readString();
+
+        checkConstructorArguments();
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+    public static final Parcelable.Creator<DexOptEvent> CREATOR
+            = new Parcelable.Creator<DexOptEvent>() {
+        public DexOptEvent createFromParcel(Parcel in) {
+            return new DexOptEvent(in);
+        }
+
+        public DexOptEvent[] newArray(int size) {
+            return new DexOptEvent[size];
+        }
+    };
+    //</editor-fold>
+}

startop/iorap/src/com/google/android/startop/iorap/IorapForwardingService.java

@@ -324,6 +324,11 @@ public class IorapForwardingService extends SystemService {
             String[] updated = updatedPackages.toArray(new String[0]);
             for (String packageName : updated) {
                 Log.d(TAG, "onPackagesUpdated: " + packageName);
+                invokeRemote(mIorapRemote,
+                    (IIorap remote) ->
+                        remote.onDexOptEvent(RequestId.nextValueForSequence(),
+                                DexOptEvent.createPackageUpdate(packageName))
+                );
             }
         }
     }