Add java.util.PrimitiveIterator and tests.

bug: 27426688
Change-Id: Iba1e630e2fb6bf063f4b40ead39848320acb4660
diff --git a/openjdk_java_files.mk b/openjdk_java_files.mk
index f36ca0c..fc69ca4 100644
--- a/openjdk_java_files.mk
+++ b/openjdk_java_files.mk
@@ -693,6 +693,8 @@
     ojluni/src/main/java/java/util/OptionalInt.java \
     ojluni/src/main/java/java/util/OptionalLong.java \
     ojluni/src/main/java/java/util/OptionalDouble.java \
+    ojluni/src/main/java/java/util/PrimitiveIterator.java \
+    ojluni/src/main/java/java/util/Tripwire.java \
     ojluni/src/main/java/java/util/function/BiConsumer.java \
     ojluni/src/main/java/java/util/function/BiFunction.java \
     ojluni/src/main/java/java/util/function/BinaryOperator.java \