Merge changes I7876b077,Ib2e7d5e6,I7d2d2e02,Ibf5322f8

* changes:
  Generate prebuilt_systemserverclasspath_fragment.
  Add a new SDK member type java_systemserver_libs.
  Add exported_systemserverclasspath_fragments to prebuilt_apex rule.
  Add prebuilt_systemserverclasspath_fragment rule.
diff --git a/apex/prebuilt.go b/apex/prebuilt.go
index d59f8bf..55a9e42 100644
--- a/apex/prebuilt.go
+++ b/apex/prebuilt.go
@@ -103,6 +103,10 @@
 	// List of bootclasspath fragments inside this prebuilt APEX bundle and for which this APEX
 	// bundle will create an APEX variant.
 	Exported_bootclasspath_fragments []string
+
+	// List of systemserverclasspath fragments inside this prebuilt APEX bundle and for which this
+	// APEX bundle will create an APEX variant.
+	Exported_systemserverclasspath_fragments []string
 }
 
 // initPrebuiltCommon initializes the prebuiltCommon structure and performs initialization of the
@@ -174,7 +178,8 @@
 		tag := ctx.OtherModuleDependencyTag(child)
 
 		name := android.RemoveOptionalPrebuiltPrefix(ctx.OtherModuleName(child))
-		if java.IsBootclasspathFragmentContentDepTag(tag) || tag == exportedJavaLibTag {
+		if java.IsBootclasspathFragmentContentDepTag(tag) ||
+			java.IsSystemServerClasspathFragmentContentDepTag(tag) || tag == exportedJavaLibTag {
 			// If the exported java module provides a dex jar path then add it to the list of apexFiles.
 			path := child.(interface {
 				DexJarBuildPath() java.OptionalDexJarPath
@@ -194,8 +199,9 @@
 				}
 				p.apexFilesForAndroidMk = append(p.apexFilesForAndroidMk, af)
 			}
-		} else if tag == exportedBootclasspathFragmentTag {
-			// Visit the children of the bootclasspath_fragment.
+		} else if tag == exportedBootclasspathFragmentTag ||
+			tag == exportedSystemserverclasspathFragmentTag {
+			// Visit the children of the bootclasspath_fragment and systemserver_fragment.
 			return true
 		}
 
@@ -311,21 +317,31 @@
 	}
 }
 
+func (p *prebuiltCommon) getExportedDependencies() map[string]exportedDependencyTag {
+	dependencies := make(map[string]exportedDependencyTag)
+
+	for _, dep := range p.prebuiltCommonProperties.Exported_java_libs {
+		dependencies[dep] = exportedJavaLibTag
+	}
+
+	for _, dep := range p.prebuiltCommonProperties.Exported_bootclasspath_fragments {
+		dependencies[dep] = exportedBootclasspathFragmentTag
+	}
+
+	for _, dep := range p.prebuiltCommonProperties.Exported_systemserverclasspath_fragments {
+		dependencies[dep] = exportedSystemserverclasspathFragmentTag
+	}
+
+	return dependencies
+}
+
 // prebuiltApexContentsDeps adds dependencies onto the prebuilt apex module's contents.
 func (p *prebuiltCommon) prebuiltApexContentsDeps(ctx android.BottomUpMutatorContext) {
 	module := ctx.Module()
-	// Add dependencies onto the java modules that represent the java libraries that are provided by
-	// and exported from this prebuilt apex.
-	for _, exported := range p.prebuiltCommonProperties.Exported_java_libs {
-		dep := android.PrebuiltNameFromSource(exported)
-		ctx.AddDependency(module, exportedJavaLibTag, dep)
-	}
 
-	// Add dependencies onto the bootclasspath fragment modules that are exported from this prebuilt
-	// apex.
-	for _, exported := range p.prebuiltCommonProperties.Exported_bootclasspath_fragments {
-		dep := android.PrebuiltNameFromSource(exported)
-		ctx.AddDependency(module, exportedBootclasspathFragmentTag, dep)
+	for dep, tag := range p.getExportedDependencies() {
+		prebuiltDep := android.PrebuiltNameFromSource(dep)
+		ctx.AddDependency(module, tag, prebuiltDep)
 	}
 }
 
@@ -576,9 +592,9 @@
 // A deapexer module is only needed when the prebuilt apex specifies one or more modules in either
 // the `exported_java_libs` or `exported_bootclasspath_fragments` properties as that indicates that
 // the listed modules need access to files from within the prebuilt .apex file.
-func createDeapexerModuleIfNeeded(ctx android.TopDownMutatorContext, deapexerName string, apexFileSource string, properties *PrebuiltCommonProperties) {
+func (p *prebuiltCommon) createDeapexerModuleIfNeeded(ctx android.TopDownMutatorContext, deapexerName string, apexFileSource string) {
 	// Only create the deapexer module if it is needed.
-	if len(properties.Exported_java_libs)+len(properties.Exported_bootclasspath_fragments) == 0 {
+	if len(p.getExportedDependencies()) == 0 {
 		return
 	}
 
@@ -674,8 +690,9 @@
 var _ android.RequiresFilesFromPrebuiltApexTag = exportedDependencyTag{}
 
 var (
-	exportedJavaLibTag               = exportedDependencyTag{name: "exported_java_libs"}
-	exportedBootclasspathFragmentTag = exportedDependencyTag{name: "exported_bootclasspath_fragments"}
+	exportedJavaLibTag                       = exportedDependencyTag{name: "exported_java_libs"}
+	exportedBootclasspathFragmentTag         = exportedDependencyTag{name: "exported_bootclasspath_fragments"}
+	exportedSystemserverclasspathFragmentTag = exportedDependencyTag{name: "exported_systemserverclasspath_fragments"}
 )
 
 var _ prebuiltApexModuleCreator = (*Prebuilt)(nil)
@@ -716,7 +733,7 @@
 	createApexSelectorModule(ctx, apexSelectorModuleName, &p.properties.ApexFileProperties)
 
 	apexFileSource := ":" + apexSelectorModuleName
-	createDeapexerModuleIfNeeded(ctx, deapexerModuleName(baseModuleName), apexFileSource, p.prebuiltCommonProperties)
+	p.createDeapexerModuleIfNeeded(ctx, deapexerModuleName(baseModuleName), apexFileSource)
 
 	// Add a source reference to retrieve the selected apex from the selector module.
 	p.prebuiltCommonProperties.Selected_apex = proptools.StringPtr(apexFileSource)
@@ -919,7 +936,7 @@
 	createApexExtractorModule(ctx, apexExtractorModuleName, &a.properties.ApexExtractorProperties)
 
 	apexFileSource := ":" + apexExtractorModuleName
-	createDeapexerModuleIfNeeded(ctx, deapexerModuleName(baseModuleName), apexFileSource, a.prebuiltCommonProperties)
+	a.createDeapexerModuleIfNeeded(ctx, deapexerModuleName(baseModuleName), apexFileSource)
 
 	// After passing the arch specific src properties to the creating the apex selector module
 	a.prebuiltCommonProperties.Selected_apex = proptools.StringPtr(apexFileSource)
diff --git a/apex/systemserver_classpath_fragment_test.go b/apex/systemserver_classpath_fragment_test.go
index a8d5931..dc682fa 100644
--- a/apex/systemserver_classpath_fragment_test.go
+++ b/apex/systemserver_classpath_fragment_test.go
@@ -181,3 +181,53 @@
 			}
 		`)
 }
+
+func TestPrebuiltSystemserverclasspathFragmentContents(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForTestWithSystemserverclasspathFragment,
+		prepareForTestWithMyapex,
+		dexpreopt.FixtureSetApexSystemServerJars("myapex:foo"),
+	).RunTestWithBp(t, `
+		prebuilt_apex {
+			name: "myapex",
+			arch: {
+				arm64: {
+					src: "myapex-arm64.apex",
+				},
+				arm: {
+					src: "myapex-arm.apex",
+				},
+			},
+			exported_systemserverclasspath_fragments: ["mysystemserverclasspathfragment"],
+		}
+
+		java_import {
+			name: "foo",
+			jars: ["foo.jar"],
+			apex_available: [
+				"myapex",
+			],
+		}
+
+		prebuilt_systemserverclasspath_fragment {
+			name: "mysystemserverclasspathfragment",
+			prefer: true,
+			contents: [
+				"foo",
+			],
+			apex_available: [
+				"myapex",
+			],
+		}
+	`)
+
+	java.CheckModuleDependencies(t, result.TestContext, "myapex", "android_common_myapex", []string{
+		`myapex.apex.selector`,
+		`prebuilt_mysystemserverclasspathfragment`,
+	})
+
+	java.CheckModuleDependencies(t, result.TestContext, "mysystemserverclasspathfragment", "android_common_myapex", []string{
+		`myapex.deapexer`,
+		`prebuilt_foo`,
+	})
+}
diff --git a/java/java.go b/java/java.go
index 94c12bd..23809df 100644
--- a/java/java.go
+++ b/java/java.go
@@ -73,6 +73,7 @@
 	android.RegisterSdkMemberType(javaHeaderLibsSdkMemberType)
 	android.RegisterSdkMemberType(javaLibsSdkMemberType)
 	android.RegisterSdkMemberType(javaBootLibsSdkMemberType)
+	android.RegisterSdkMemberType(javaSystemserverLibsSdkMemberType)
 	android.RegisterSdkMemberType(javaTestSdkMemberType)
 }
 
@@ -146,6 +147,37 @@
 		onlyCopyJarToSnapshot,
 	}
 
+	// Supports adding java systemserver libraries to module_exports and sdk.
+	//
+	// The build has some implicit dependencies (via the systemserver jars configuration) on a number
+	// of modules that are part of the java systemserver classpath and which are provided by mainline
+	// modules but which are not otherwise used outside those mainline modules.
+	//
+	// As they are not needed outside the mainline modules adding them to the sdk/module-exports as
+	// either java_libs, or java_header_libs would end up exporting more information than was strictly
+	// necessary. The java_systemserver_libs property to allow those modules to be exported as part of
+	// the sdk/module_exports without exposing any unnecessary information.
+	javaSystemserverLibsSdkMemberType = &librarySdkMemberType{
+		android.SdkMemberTypeBase{
+			PropertyName: "java_systemserver_libs",
+			SupportsSdk:  true,
+		},
+		func(ctx android.SdkMemberContext, j *Library) android.Path {
+			// Java systemserver libs are only provided in the SDK to provide access to their dex
+			// implementation jar for use by dexpreopting. They do not need to provide an actual
+			// implementation jar but the java_import will need a file that exists so just copy an empty
+			// file. Any attempt to use that file as a jar will cause a build error.
+			return ctx.SnapshotBuilder().EmptyFile()
+		},
+		func(osPrefix, name string) string {
+			// Create a special name for the implementation jar to try and provide some useful information
+			// to a developer that attempts to compile against this.
+			// TODO(b/175714559): Provide a proper error message in Soong not ninja.
+			return filepath.Join(osPrefix, "java_systemserver_libs", "snapshot", "jars", "are", "invalid", name+jarFileSuffix)
+		},
+		onlyCopyJarToSnapshot,
+	}
+
 	// Supports adding java test libraries to module_exports but not sdk.
 	javaTestSdkMemberType = &testSdkMemberType{
 		SdkMemberTypeBase: android.SdkMemberTypeBase{
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index de2a978..1b4fda8 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -23,11 +23,19 @@
 
 func init() {
 	registerSystemserverClasspathBuildComponents(android.InitRegistrationContext)
+
+	android.RegisterSdkMemberType(&systemServerClasspathFragmentMemberType{
+		SdkMemberTypeBase: android.SdkMemberTypeBase{
+			PropertyName: "systemserverclasspath_fragments",
+			SupportsSdk:  true,
+		},
+	})
 }
 
 func registerSystemserverClasspathBuildComponents(ctx android.RegistrationContext) {
 	ctx.RegisterModuleType("platform_systemserverclasspath", platformSystemServerClasspathFactory)
 	ctx.RegisterModuleType("systemserverclasspath_fragment", systemServerClasspathFactory)
+	ctx.RegisterModuleType("prebuilt_systemserverclasspath_fragment", prebuiltSystemServerClasspathModuleFactory)
 }
 
 type platformSystemServerClasspathModule struct {
@@ -61,6 +69,7 @@
 type SystemServerClasspathModule struct {
 	android.ModuleBase
 	android.ApexModuleBase
+	android.SdkBase
 
 	ClasspathFragmentBase
 
@@ -85,6 +94,7 @@
 	m := &SystemServerClasspathModule{}
 	m.AddProperties(&m.properties)
 	android.InitApexModule(m)
+	android.InitSdkAwareModule(m)
 	initClasspathFragment(m, SYSTEMSERVERCLASSPATH)
 	android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibCommon)
 	return m
@@ -112,7 +122,7 @@
 	_, unknown = android.RemoveFromList("geotz", unknown)
 
 	// For non test apexes, make sure that all contents are actually declared in make.
-	if global.ApexSystemServerJars.Len() > 0 && len(unknown) > 0 {
+	if global.ApexSystemServerJars.Len() > 0 && len(unknown) > 0 && !android.IsModuleInVersionedSdk(ctx.Module()) {
 		ctx.ModuleErrorf("%s in contents must also be declared in PRODUCT_UPDATABLE_SYSTEM_SERVER_JARS", unknown)
 	}
 
@@ -128,12 +138,33 @@
 	return false
 }
 
+// SdkMemberType causes dependencies added with this tag to be automatically added to the sdk as if
+// they were specified using java_systemserver_libs or java_sdk_libs.
+func (b systemServerClasspathFragmentContentDependencyTag) SdkMemberType(child android.Module) android.SdkMemberType {
+	// If the module is a java_sdk_library then treat it as if it was specified in the java_sdk_libs
+	// property, otherwise treat if it was specified in the java_systemserver_libs property.
+	if javaSdkLibrarySdkMemberType.IsInstance(child) {
+		return javaSdkLibrarySdkMemberType
+	}
+
+	return javaSystemserverLibsSdkMemberType
+}
+
+func (b systemServerClasspathFragmentContentDependencyTag) ExportMember() bool {
+	return true
+}
+
 // Contents of system server fragments in an apex are considered to be directly in the apex, as if
 // they were listed in java_libs.
 func (systemServerClasspathFragmentContentDependencyTag) CopyDirectlyInAnyApex() {}
 
+// Contents of system server fragments require files from prebuilt apex files.
+func (systemServerClasspathFragmentContentDependencyTag) RequiresFilesFromPrebuiltApex() {}
+
 var _ android.ReplaceSourceWithPrebuilt = systemServerClasspathFragmentContentDepTag
+var _ android.SdkMemberDependencyTag = systemServerClasspathFragmentContentDepTag
 var _ android.CopyDirectlyInAnyApexTag = systemServerClasspathFragmentContentDepTag
+var _ android.RequiresFilesFromPrebuiltApexTag = systemServerClasspathFragmentContentDepTag
 
 // The tag used for the dependency between the systemserverclasspath_fragment module and its contents.
 var systemServerClasspathFragmentContentDepTag = systemServerClasspathFragmentContentDependencyTag{}
@@ -144,8 +175,14 @@
 
 func (s *SystemServerClasspathModule) ComponentDepsMutator(ctx android.BottomUpMutatorContext) {
 	module := ctx.Module()
+	_, isSourceModule := module.(*SystemServerClasspathModule)
 
 	for _, name := range s.properties.Contents {
+		// A systemserverclasspath_fragment must depend only on other source modules, while the
+		// prebuilt_systemserverclasspath_fragment_fragment must only depend on other prebuilt modules.
+		if !isSourceModule {
+			name = android.PrebuiltNameFromSource(name)
+		}
 		ctx.AddDependency(module, systemServerClasspathFragmentContentDepTag, name)
 	}
 }
@@ -155,3 +192,80 @@
 	dpInfo.Deps = append(dpInfo.Deps, s.properties.Contents...)
 	dpInfo.Paths = append(dpInfo.Paths, s.modulePaths...)
 }
+
+type systemServerClasspathFragmentMemberType struct {
+	android.SdkMemberTypeBase
+}
+
+func (s *systemServerClasspathFragmentMemberType) AddDependencies(ctx android.SdkDependencyContext, dependencyTag blueprint.DependencyTag, names []string) {
+	ctx.AddVariationDependencies(nil, dependencyTag, names...)
+}
+
+func (s *systemServerClasspathFragmentMemberType) IsInstance(module android.Module) bool {
+	_, ok := module.(*SystemServerClasspathModule)
+	return ok
+}
+
+func (s *systemServerClasspathFragmentMemberType) AddPrebuiltModule(ctx android.SdkMemberContext, member android.SdkMember) android.BpModule {
+	return ctx.SnapshotBuilder().AddPrebuiltModule(member, "prebuilt_systemserverclasspath_fragment")
+}
+
+func (s *systemServerClasspathFragmentMemberType) CreateVariantPropertiesStruct() android.SdkMemberProperties {
+	return &systemServerClasspathFragmentSdkMemberProperties{}
+}
+
+type systemServerClasspathFragmentSdkMemberProperties struct {
+	android.SdkMemberPropertiesBase
+
+	// Contents of the systemserverclasspath fragment
+	Contents []string
+}
+
+func (s *systemServerClasspathFragmentSdkMemberProperties) PopulateFromVariant(ctx android.SdkMemberContext, variant android.Module) {
+	module := variant.(*SystemServerClasspathModule)
+
+	s.Contents = module.properties.Contents
+}
+
+func (s *systemServerClasspathFragmentSdkMemberProperties) AddToPropertySet(ctx android.SdkMemberContext, propertySet android.BpPropertySet) {
+	builder := ctx.SnapshotBuilder()
+	requiredMemberDependency := builder.SdkMemberReferencePropertyTag(true)
+
+	if len(s.Contents) > 0 {
+		propertySet.AddPropertyWithTag("contents", s.Contents, requiredMemberDependency)
+	}
+}
+
+var _ android.SdkMemberType = (*systemServerClasspathFragmentMemberType)(nil)
+
+// A prebuilt version of the systemserverclasspath_fragment module.
+type prebuiltSystemServerClasspathModule struct {
+	SystemServerClasspathModule
+	prebuilt android.Prebuilt
+}
+
+func (module *prebuiltSystemServerClasspathModule) Prebuilt() *android.Prebuilt {
+	return &module.prebuilt
+}
+
+func (module *prebuiltSystemServerClasspathModule) Name() string {
+	return module.prebuilt.Name(module.ModuleBase.Name())
+}
+
+func (module *prebuiltSystemServerClasspathModule) RequiredFilesFromPrebuiltApex(ctx android.BaseModuleContext) []string {
+	return nil
+}
+
+var _ android.RequiredFilesFromPrebuiltApex = (*prebuiltSystemServerClasspathModule)(nil)
+
+func prebuiltSystemServerClasspathModuleFactory() android.Module {
+	m := &prebuiltSystemServerClasspathModule{}
+	m.AddProperties(&m.properties)
+	// This doesn't actually have any prebuilt files of its own so pass a placeholder for the srcs
+	// array.
+	android.InitPrebuiltModule(m, &[]string{"placeholder"})
+	android.InitApexModule(m)
+	android.InitSdkAwareModule(m)
+	android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibCommon)
+	return m
+}
diff --git a/sdk/Android.bp b/sdk/Android.bp
index c6544d6..acb9dbb 100644
--- a/sdk/Android.bp
+++ b/sdk/Android.bp
@@ -11,6 +11,7 @@
         "soong-android",
         "soong-apex",
         "soong-cc",
+        "soong-dexpreopt",
         "soong-java",
     ],
     srcs: [
@@ -31,6 +32,7 @@
         "license_sdk_test.go",
         "member_trait_test.go",
         "sdk_test.go",
+        "systemserverclasspath_fragment_sdk_test.go",
         "testing.go",
     ],
     pluginFor: ["soong_build"],
diff --git a/sdk/java_sdk_test.go b/sdk/java_sdk_test.go
index 2b53739..0d9b4a0 100644
--- a/sdk/java_sdk_test.go
+++ b/sdk/java_sdk_test.go
@@ -482,6 +482,71 @@
 	)
 }
 
+func TestSnapshotWithJavaSystemserverLibrary(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForSdkTestWithJava,
+		android.FixtureAddFile("aidl", nil),
+		android.FixtureAddFile("resource.txt", nil),
+	).RunTestWithBp(t, `
+		module_exports {
+			name: "myexports",
+			java_systemserver_libs: ["myjavalib"],
+		}
+
+		java_library {
+			name: "myjavalib",
+			srcs: ["Test.java"],
+			java_resources: ["resource.txt"],
+			// The aidl files should not be copied to the snapshot because a java_systemserver_libs member
+			// is not intended to be used for compiling Java, only for accessing the dex implementation
+			// jar.
+			aidl: {
+				export_include_dirs: ["aidl"],
+			},
+			system_modules: "none",
+			sdk_version: "none",
+			compile_dex: true,
+			permitted_packages: ["pkg.myjavalib"],
+		}
+	`)
+
+	CheckSnapshot(t, result, "myexports", "",
+		checkUnversionedAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+java_import {
+    name: "myjavalib",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["//apex_available:platform"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/myjavalib.jar"],
+    permitted_packages: ["pkg.myjavalib"],
+}
+`),
+		checkVersionedAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+java_import {
+    name: "myexports_myjavalib@current",
+    sdk_member_name: "myjavalib",
+    visibility: ["//visibility:public"],
+    apex_available: ["//apex_available:platform"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/myjavalib.jar"],
+    permitted_packages: ["pkg.myjavalib"],
+}
+
+module_exports_snapshot {
+    name: "myexports@current",
+    visibility: ["//visibility:public"],
+    java_systemserver_libs: ["myexports_myjavalib@current"],
+}
+`),
+		checkAllCopyRules(`
+.intermediates/myexports/common_os/empty -> java_systemserver_libs/snapshot/jars/are/invalid/myjavalib.jar
+`),
+	)
+}
+
 func TestHostSnapshotWithJavaImplLibrary(t *testing.T) {
 	result := android.GroupFixturePreparers(
 		prepareForSdkTestWithJava,
diff --git a/sdk/systemserverclasspath_fragment_sdk_test.go b/sdk/systemserverclasspath_fragment_sdk_test.go
new file mode 100644
index 0000000..16e3e7f
--- /dev/null
+++ b/sdk/systemserverclasspath_fragment_sdk_test.go
@@ -0,0 +1,171 @@
+// Copyright (C) 2021 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 sdk
+
+import (
+	"testing"
+
+	"android/soong/android"
+	"android/soong/dexpreopt"
+	"android/soong/java"
+)
+
+func TestSnapshotWithSystemServerClasspathFragment(t *testing.T) {
+	result := android.GroupFixturePreparers(
+		prepareForSdkTestWithJava,
+		java.PrepareForTestWithJavaDefaultModules,
+		java.PrepareForTestWithJavaSdkLibraryFiles,
+		java.FixtureWithLastReleaseApis("mysdklibrary"),
+		dexpreopt.FixtureSetApexSystemServerJars("myapex:mylib", "myapex:mysdklibrary"),
+		prepareForSdkTestWithApex,
+
+		android.FixtureWithRootAndroidBp(`
+			sdk {
+				name: "mysdk",
+				systemserverclasspath_fragments: ["mysystemserverclasspathfragment"],
+				java_sdk_libs: [
+					// This is not strictly needed as it should be automatically added to the sdk_snapshot as
+					// a java_sdk_libs module because it is used in the mysystemserverclasspathfragment's
+					// contents property. However, it is specified here to ensure that duplicates are
+					// correctly deduped.
+					"mysdklibrary",
+				],
+			}
+
+			apex {
+				name: "myapex",
+				key: "myapex.key",
+				min_sdk_version: "2",
+				systemserverclasspath_fragments: ["mysystemserverclasspathfragment"],
+			}
+
+			systemserverclasspath_fragment {
+				name: "mysystemserverclasspathfragment",
+				apex_available: ["myapex"],
+				contents: [
+					"mylib",
+					"mysdklibrary",
+				],
+			}
+
+			java_library {
+				name: "mylib",
+				apex_available: ["myapex"],
+				srcs: ["Test.java"],
+				system_modules: "none",
+				sdk_version: "none",
+				min_sdk_version: "2",
+				compile_dex: true,
+				permitted_packages: ["mylib"],
+			}
+
+			java_sdk_library {
+				name: "mysdklibrary",
+				apex_available: ["myapex"],
+				srcs: ["Test.java"],
+				shared_library: false,
+				public: {enabled: true},
+				min_sdk_version: "2",
+			}
+		`),
+	).RunTest(t)
+
+	CheckSnapshot(t, result, "mysdk", "",
+		checkUnversionedAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+java_sdk_library_import {
+    name: "mysdklibrary",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    shared_library: false,
+    public: {
+        jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
+        stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
+        current_api: "sdk_library/public/mysdklibrary.txt",
+        removed_api: "sdk_library/public/mysdklibrary-removed.txt",
+        sdk_version: "current",
+    },
+}
+
+java_import {
+    name: "mylib",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
+    permitted_packages: ["mylib"],
+}
+
+prebuilt_systemserverclasspath_fragment {
+    name: "mysystemserverclasspathfragment",
+    prefer: false,
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    contents: [
+        "mylib",
+        "mysdklibrary",
+    ],
+}
+`),
+		checkVersionedAndroidBpContents(`
+// This is auto-generated. DO NOT EDIT.
+
+java_sdk_library_import {
+    name: "mysdk_mysdklibrary@current",
+    sdk_member_name: "mysdklibrary",
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    shared_library: false,
+    public: {
+        jars: ["sdk_library/public/mysdklibrary-stubs.jar"],
+        stub_srcs: ["sdk_library/public/mysdklibrary_stub_sources"],
+        current_api: "sdk_library/public/mysdklibrary.txt",
+        removed_api: "sdk_library/public/mysdklibrary-removed.txt",
+        sdk_version: "current",
+    },
+}
+
+java_import {
+    name: "mysdk_mylib@current",
+    sdk_member_name: "mylib",
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    jars: ["java_systemserver_libs/snapshot/jars/are/invalid/mylib.jar"],
+    permitted_packages: ["mylib"],
+}
+
+prebuilt_systemserverclasspath_fragment {
+    name: "mysdk_mysystemserverclasspathfragment@current",
+    sdk_member_name: "mysystemserverclasspathfragment",
+    visibility: ["//visibility:public"],
+    apex_available: ["myapex"],
+    contents: [
+        "mysdk_mylib@current",
+        "mysdk_mysdklibrary@current",
+    ],
+}
+
+sdk_snapshot {
+    name: "mysdk@current",
+    visibility: ["//visibility:public"],
+    java_sdk_libs: ["mysdk_mysdklibrary@current"],
+    java_systemserver_libs: ["mysdk_mylib@current"],
+    systemserverclasspath_fragments: ["mysdk_mysystemserverclasspathfragment@current"],
+}
+`),
+	)
+}