Export JavaBootLibsSdkMemberType and JavaSystemserverLibsSdkMemberType

build/soong/sdk will use these tags to differentiate the sdk and non-sdk
contents of bootclasspath and systemserverclasspath fragments.

Test: go build ./java
Bug: 326246905

Change-Id: Ia8352c09fcbbca06988eb57153e5986801eb45a5
diff --git a/java/systemserver_classpath_fragment.go b/java/systemserver_classpath_fragment.go
index 59c5466..b291e70 100644
--- a/java/systemserver_classpath_fragment.go
+++ b/java/systemserver_classpath_fragment.go
@@ -189,7 +189,7 @@
 		return javaSdkLibrarySdkMemberType
 	}
 
-	return javaSystemserverLibsSdkMemberType
+	return JavaSystemserverLibsSdkMemberType
 }
 
 func (b systemServerClasspathFragmentContentDependencyTag) ExportMember() bool {