Merge changes from topic "remove-hidl-boot-jars"

* changes:
  pm: Add hidl libraries to old class paths.
  preloaded-classes: remove core HIDL libs

config/preloaded-classes

@@ -1436,12 +1436,6 @@ android.hardware.usb.UsbDevice$1
 android.hardware.usb.UsbDeviceConnection
 android.hardware.usb.UsbManager
 android.hardware.usb.UsbRequest
-android.hidl.base.V1_0.DebugInfo
-android.hidl.base.V1_0.IBase
-android.hidl.manager.V1_0.IServiceManager
-android.hidl.manager.V1_0.IServiceManager$Proxy
-android.hidl.manager.V1_0.IServiceNotification
-android.hidl.manager.V1_0.IServiceNotification$Stub
 android.icu.impl.BMPSet
 android.icu.impl.CacheBase
 android.icu.impl.CacheValue

core/java/android/content/pm/AndroidHidlUpdater.java

@@ -0,0 +1,43 @@
+/*
+ * 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 android.content.pm;
+
+import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_BASE;
+import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_MANAGER;
+
+import android.content.pm.PackageParser.Package;
+import android.os.Build;
+
+import com.android.internal.annotations.VisibleForTesting;
+
+/**
+ * Updates a package to ensure that if it targets <= P that the android.hidl.base-V1.0-java
+ * and android.hidl.manager-V1.0-java libraries are included by default.
+ *
+ * @hide
+ */
+@VisibleForTesting
+public class AndroidHidlUpdater extends PackageSharedLibraryUpdater {
+
+    @Override
+    public void updatePackage(Package pkg) {
+        // This was the default <= P and is maintained for backwards compatibility.
+        if (pkg.applicationInfo.targetSdkVersion <= Build.VERSION_CODES.P) {
+            prefixRequiredLibrary(pkg, ANDROID_HIDL_BASE);
+            prefixRequiredLibrary(pkg, ANDROID_HIDL_MANAGER);
+        }
+    }
+}

core/java/android/content/pm/PackageBackwardCompatibility.java

@@ -53,6 +53,8 @@ public class PackageBackwardCompatibility extends PackageSharedLibraryUpdater {
                 "android.content.pm.OrgApacheHttpLegacyUpdater",
                 RemoveUnnecessaryOrgApacheHttpLegacyLibrary::new);
 
+        packageUpdaters.add(new AndroidHidlUpdater());
+
         // Add this before adding AndroidTestBaseUpdater so that android.test.base comes before
         // android.test.mock.
         packageUpdaters.add(new AndroidTestRunnerSplitUpdater());

core/java/android/content/pm/SharedLibraryNames.java

@@ -22,6 +22,10 @@ package android.content.pm;
  */
 public class SharedLibraryNames {
 
+    static final String ANDROID_HIDL_BASE = "android.hidl.base-V1.0-java";
+
+    static final String ANDROID_HIDL_MANAGER = "android.hidl.manager-V1.0-java";
+
     static final String ANDROID_TEST_BASE = "android.test.base";
 
     static final String ANDROID_TEST_MOCK = "android.test.mock";

core/tests/coretests/src/android/content/pm/AndroidHidlUpdaterTest.java

@@ -0,0 +1,98 @@
+/*
+ * 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 android.content.pm;
+
+import static android.content.pm.PackageBuilder.builder;
+import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_BASE;
+import static android.content.pm.SharedLibraryNames.ANDROID_HIDL_MANAGER;
+
+import android.os.Build;
+import android.support.test.filters.SmallTest;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Test for {@link AndroidHidlUpdater}
+ */
+@SmallTest
+@RunWith(JUnit4.class)
+public class AndroidHidlUpdaterTest extends PackageSharedLibraryUpdaterTest {
+
+    private static final String OTHER_LIBRARY = "other.library";
+
+    @Test
+    public void targeted_at_O() {
+        PackageBuilder before = builder()
+                .targetSdkVersion(Build.VERSION_CODES.O);
+
+        // Should add both HIDL libraries
+        PackageBuilder after = builder()
+                .targetSdkVersion(Build.VERSION_CODES.O)
+                .requiredLibraries(ANDROID_HIDL_MANAGER, ANDROID_HIDL_BASE);
+
+        checkBackwardsCompatibility(before, after);
+    }
+
+    @Test
+    public void targeted_at_O_not_empty_usesLibraries() {
+        PackageBuilder before = builder()
+                .targetSdkVersion(Build.VERSION_CODES.O)
+                .requiredLibraries(OTHER_LIBRARY);
+
+        // The hidl jars should be added at the start of the list because it
+        // is not on the bootclasspath and the package targets pre-P.
+        PackageBuilder after = builder()
+                .targetSdkVersion(Build.VERSION_CODES.O)
+                .requiredLibraries(ANDROID_HIDL_MANAGER, ANDROID_HIDL_BASE, OTHER_LIBRARY);
+
+        checkBackwardsCompatibility(before, after);
+    }
+
+    @Test
+    public void targeted_at_O_in_usesLibraries() {
+        PackageBuilder before = builder()
+                .targetSdkVersion(Build.VERSION_CODES.O)
+                .requiredLibraries(ANDROID_HIDL_MANAGER, ANDROID_HIDL_BASE);
+
+        // No change is required because although the HIDL libraries has been removed from
+        // the bootclasspath the package explicitly requests it.
+        checkBackwardsCompatibility(before, before);
+    }
+
+    @Test
+    public void in_usesLibraries() {
+        PackageBuilder before = builder().requiredLibraries(ANDROID_HIDL_BASE);
+
+        // No change is required because the package explicitly requests the HIDL libraries
+        // and is targeted at the current version so does not need backwards compatibility.
+        checkBackwardsCompatibility(before, before);
+    }
+
+    @Test
+    public void in_usesOptionalLibraries() {
+        PackageBuilder before = builder().optionalLibraries(ANDROID_HIDL_BASE);
+
+        // No change is required because the package explicitly requests the HIDL libraries
+        // and is targeted at the current version so does not need backwards compatibility.
+        checkBackwardsCompatibility(before, before);
+    }
+
+    private void checkBackwardsCompatibility(PackageBuilder before, PackageBuilder after) {
+        checkBackwardsCompatibility(before, after, AndroidHidlUpdater::new);
+    }
+}

data/etc/platform.xml

@@ -188,6 +188,12 @@
     <library name="android.test.runner"
             file="/system/framework/android.test.runner.impl.jar" />
 
+    <!-- In BOOT_JARS historically, and now added to legacy applications. -->
+    <library name="android.hidl.base-V1.0-java"
+            file="/system/framework/android.hidl.base-V1.0-java.jar" />
+    <library name="android.hidl.manager-V1.0-java"
+            file="/system/framework/android.hidl.manager-V1.0-java.jar" />
+
     <!-- These are the standard packages that are white-listed to always have internet
          access while in power save mode, even if they aren't in the foreground. -->
     <allow-in-power-save package="com.android.providers.downloads" />