diff --git a/java/java.go b/java/java.go
index 1fd0a9e..beee1a5 100644
--- a/java/java.go
+++ b/java/java.go
@@ -41,6 +41,7 @@
 	android.RegisterModuleType("java_binary", BinaryFactory)
 	android.RegisterModuleType("java_binary_host", BinaryHostFactory)
 	android.RegisterModuleType("java_test", TestFactory)
+	android.RegisterModuleType("java_test_helper_library", TestHelperLibraryFactory)
 	android.RegisterModuleType("java_test_host", TestHostFactory)
 	android.RegisterModuleType("java_import", ImportFactory)
 	android.RegisterModuleType("java_import_host", ImportFactoryHost)
@@ -1536,6 +1537,12 @@
 	Data []string `android:"path"`
 }
 
+type testHelperLibraryProperties struct {
+	// list of compatibility suites (for example "cts", "vts") that the module should be
+	// installed into.
+	Test_suites []string `android:"arch_variant"`
+}
+
 type Test struct {
 	Library
 
@@ -1545,6 +1552,12 @@
 	data       android.Paths
 }
 
+type TestHelperLibrary struct {
+	Library
+
+	testHelperLibraryProperties testHelperLibraryProperties
+}
+
 func (j *Test) GenerateAndroidBuildActions(ctx android.ModuleContext) {
 	j.testConfig = tradefed.AutoGenJavaTestConfig(ctx, j.testProperties.Test_config, j.testProperties.Test_config_template, j.testProperties.Test_suites)
 	j.data = android.PathsForModuleSrc(ctx, j.testProperties.Data)
@@ -1552,6 +1565,10 @@
 	j.Library.GenerateAndroidBuildActions(ctx)
 }
 
+func (j *TestHelperLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	j.Library.GenerateAndroidBuildActions(ctx)
+}
+
 // java_test builds a and links sources into a `.jar` file for the device, and possibly for the host as well, and
 // creates an `AndroidTest.xml` file to allow running the test with `atest` or a `TEST_MAPPING` file.
 //
@@ -1577,6 +1594,21 @@
 	return module
 }
 
+// java_test_helper_library creates a java library and makes sure that it is added to the appropriate test suite.
+func TestHelperLibraryFactory() android.Module {
+	module := &TestHelperLibrary{}
+
+	module.AddProperties(
+		&module.Module.properties,
+		&module.Module.deviceProperties,
+		&module.Module.dexpreoptProperties,
+		&module.Module.protoProperties,
+		&module.testHelperLibraryProperties)
+
+	InitJavaModule(module, android.HostAndDeviceSupported)
+	return module
+}
+
 // java_test_host builds a and links sources into a `.jar` file for the host, and creates an `AndroidTest.xml` file to
 // allow running the test with `atest` or a `TEST_MAPPING` file.
 //