Change intern table to not use WaitHoldingLocks

Bug: 22423014
Change-Id: I9e16b8cb4def72fff73f1783a182877105feb7aa
diff --git a/runtime/native/java_lang_Thread.cc b/runtime/native/java_lang_Thread.cc
index 6569d83..b40d94a 100644
--- a/runtime/native/java_lang_Thread.cc
+++ b/runtime/native/java_lang_Thread.cc
@@ -90,6 +90,7 @@
     case kWaitingInMainSignalCatcherLoop: return kJavaWaiting;
     case kWaitingForMethodTracingStart:   return kJavaWaiting;
     case kWaitingForVisitObjects:         return kJavaWaiting;
+    case kWaitingWeakRootRead:            return kJavaWaiting;
     case kSuspended:                      return kJavaRunnable;
     // Don't add a 'default' here so the compiler can spot incompatible enum changes.
   }