Allowlist fake_device_config in order to build some java_aconfig_library for host.

Bug: 305255550
Test: CI
Change-Id: Ic073a5fef0acccb7fcbbacb93c9f42ea80e8e154
diff --git a/aconfig/java_aconfig_library.go b/aconfig/java_aconfig_library.go
index 79573c7..f7f8db8 100644
--- a/aconfig/java_aconfig_library.go
+++ b/aconfig/java_aconfig_library.go
@@ -99,6 +99,7 @@
 	Aconfig_declarations bazel.LabelAttribute
 	Test                 *bool
 	Sdk_version          *string
+	Libs                 bazel.LabelListAttribute
 }
 
 func (callbacks *JavaAconfigDeclarationsLibraryCallbacks) Bp2build(ctx android.Bp2buildMutatorContext, module *java.GeneratedJavaLibraryModule) {
@@ -118,10 +119,28 @@
 	// modules in framework/base use core_platform which is not supported by bazel yet.
 	// TODO(b/302148527): change soong to default to system_current as well.
 	sdkVersion := "system_current"
+
+	var libs bazel.LabelListAttribute
+	archVariantProps := module.GetArchVariantProperties(ctx, &java.CommonProperties{})
+	for axis, configToProps := range archVariantProps {
+		for config, p := range configToProps {
+			if archProps, ok := p.(*java.CommonProperties); ok {
+				var libLabels []bazel.Label
+				for _, d := range archProps.Libs {
+					neverlinkLabel := android.BazelLabelForModuleDepSingle(ctx, d)
+					neverlinkLabel.Label = neverlinkLabel.Label + "-neverlink"
+					libLabels = append(libLabels, neverlinkLabel)
+				}
+				libs.SetSelectValue(axis, config, (bazel.MakeLabelList(libLabels)))
+			}
+		}
+	}
+
 	attrs := bazelJavaAconfigLibraryAttributes{
 		Aconfig_declarations: *bazel.MakeLabelAttribute(android.BazelLabelForModuleDepSingle(ctx, callbacks.properties.Aconfig_declarations).Label),
 		Test:                 callbacks.properties.Test,
 		Sdk_version:          &sdkVersion,
+		Libs:                 libs,
 	}
 	props := bazel.BazelTargetModuleProperties{
 		Rule_class:        "java_aconfig_library",
diff --git a/android/allowlists/allowlists.go b/android/allowlists/allowlists.go
index cc428e9..31aff76 100644
--- a/android/allowlists/allowlists.go
+++ b/android/allowlists/allowlists.go
@@ -1009,6 +1009,8 @@
 		"libservice-connectivity",
 
 		"mainline_modules_sdks_test",
+
+		"fake_device_config",
 	}
 
 	Bp2buildModuleTypeAlwaysConvertList = []string{
diff --git a/bp2build/aconfig_conversion_test.go b/bp2build/aconfig_conversion_test.go
index be9a33d..ca41680 100644
--- a/bp2build/aconfig_conversion_test.go
+++ b/bp2build/aconfig_conversion_test.go
@@ -147,9 +147,15 @@
 		],
 		package: "com.android.foo",
 	}
+	java_library {
+			name: "foo_java_library",
+			srcs: ["foo.java"],
+			sdk_version: "current",
+	}
 	java_aconfig_library {
 			name: "foo",
 			aconfig_declarations: "foo_aconfig_declarations",
+			libs: ["foo_java_library"],
 			test: true,
 	}
 	`
@@ -163,10 +169,21 @@
 			},
 		),
 		MakeBazelTargetNoRestrictions(
+			"java_library",
+			"foo_java_library",
+			AttrNameToString{
+				"srcs":                   `["foo.java"]`,
+				"sdk_version":            `"current"`,
+				"target_compatible_with": `["//build/bazel_common_rules/platforms/os:android"]`,
+			},
+		),
+		MakeNeverlinkDuplicateTarget("java_library", "foo_java_library"),
+		MakeBazelTargetNoRestrictions(
 			"java_aconfig_library",
 			"foo",
 			AttrNameToString{
 				"aconfig_declarations":   `":foo_aconfig_declarations"`,
+				"libs":                   `[":foo_java_library-neverlink"]`,
 				"test":                   `True`,
 				"sdk_version":            `"system_current"`,
 				"target_compatible_with": `["//build/bazel_common_rules/platforms/os:android"]`,