MQDescriptor is now a predefined type.

b/31091383 Adding WireMQDescriptor as a hidl type

Change-Id: I8eb7f25dd35bc1e33393b9c563152c3a1551419b
Signed-off-by: Iliyan Malchev <malchev@google.com>
diff --git a/AST.cpp b/AST.cpp
index f10ad59..b514fe7 100644
--- a/AST.cpp
+++ b/AST.cpp
@@ -244,6 +244,13 @@
         }
     }
 
+    if (resolvedType == nullptr
+            && fqName.package().empty()
+            && fqName.version().empty()
+            && fqName.name() == "MQDescriptor") {
+        return new PredefinedType("::android::hardware::MQDescriptor");
+    }
+
     if (resolvedType) {
 #if 0
         LOG(INFO) << "found '"