TBR v.io/x/ref/lib/vdl: allow native type conversion for security/access pkg

Also updated the default directories for Java vdl generation.

Change-Id: I825625e787d411f8e39d30c09220273e7fd729b6
diff --git a/cmd/vdl/main.go b/cmd/vdl/main.go
index 6caf904..43d3285 100644
--- a/cmd/vdl/main.go
+++ b/cmd/vdl/main.go
@@ -331,7 +331,8 @@
 	optGenGoOutDir   = genOutDir{}
 	optGenJavaOutDir = genOutDir{
 		rules: xlateRules{
-			{"go/src", "java/src/vdl/java"},
+			{"release/go/src", "roadmap/java/lib/generated-src/vdl"},
+			{"roadmap/go/src", "roadmap/java/lib/generated-src/vdl"},
 		},
 	}
 	optGenJavascriptOutDir = genOutDir{
diff --git a/lib/vdl/codegen/java/generate.go b/lib/vdl/codegen/java/generate.go
index 01a0ac9..008e2c1 100644
--- a/lib/vdl/codegen/java/generate.go
+++ b/lib/vdl/codegen/java/generate.go
@@ -107,6 +107,7 @@
 var nativeTypePackageWhitelist = map[string]bool{
 	"time":                                   true,
 	"v.io/v23/security":                      true,
+	"v.io/v23/security/access":               true,
 	"v.io/x/ref/lib/vdl/testdata/nativetest": true,
 }