Convert java_aconfig_library to bazel.

Bug: 297357579
Test: Unit test and AconfigJavaHostTest
Change-Id: Icf944cc0b2a7382107923d49b2d2ff0eb4113638
diff --git a/java/base.go b/java/base.go
index db237da..53414d9 100644
--- a/java/base.go
+++ b/java/base.go
@@ -714,6 +714,10 @@
 	return j.SdkVersion(ctx).ApiLevel
 }
 
+func (j *Module) GetDeviceProperties() *DeviceProperties {
+	return &j.deviceProperties
+}
+
 func (j *Module) MaxSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel {
 	if j.deviceProperties.Max_sdk_version != nil {
 		return android.ApiLevelFrom(ctx, *j.deviceProperties.Max_sdk_version)
diff --git a/java/generated_java_library.go b/java/generated_java_library.go
index 578237e..930bfd2 100644
--- a/java/generated_java_library.go
+++ b/java/generated_java_library.go
@@ -35,6 +35,8 @@
 	// Called from inside GenerateAndroidBuildActions. Add the build rules to
 	// make the srcjar, and return the path to it.
 	GenerateSourceJarBuildActions(module *GeneratedJavaLibraryModule, ctx android.ModuleContext) android.Path
+
+	Bp2build(ctx android.Bp2buildMutatorContext, module *GeneratedJavaLibraryModule)
 }
 
 // GeneratedJavaLibraryModuleFactory provides a utility for modules that are generated
@@ -108,3 +110,7 @@
 	module.Library.properties.Generated_srcjars = append(module.Library.properties.Generated_srcjars, srcJarPath)
 	module.Library.GenerateAndroidBuildActions(ctx)
 }
+
+func (module *GeneratedJavaLibraryModule) ConvertWithBp2build(ctx android.Bp2buildMutatorContext) {
+	module.callbacks.Bp2build(ctx, module)
+}
diff --git a/java/generated_java_library_test.go b/java/generated_java_library_test.go
index 7f52fd1..7fbbfee 100644
--- a/java/generated_java_library_test.go
+++ b/java/generated_java_library_test.go
@@ -41,6 +41,9 @@
 	return android.PathForOutput(ctx, "blah.srcjar")
 }
 
+func (callbacks *JavaGenLibTestCallbacks) Bp2build(ctx android.Bp2buildMutatorContext, module *GeneratedJavaLibraryModule) {
+}
+
 func testGenLib(t *testing.T, errorHandler android.FixtureErrorHandler, bp string) *android.TestResult {
 	return android.GroupFixturePreparers(
 		PrepareForIntegrationTestWithJava,