Added new Java Lite files to BUILD/pom.xml.

java/core/BUILD

diff --git a/java/core/BUILD b/java/core/BUILD
index 9308ba7..8ac355e 100644
--- a/java/core/BUILD
+++ b/java/core/BUILD
@@ -21,6 +21,8 @@
     "src/main/java/com/google/protobuf/ByteBufferWriter.java",
     "src/main/java/com/google/protobuf/ByteOutput.java",
     "src/main/java/com/google/protobuf/ByteString.java",
+    "src/main/java/com/google/protobuf/CanIgnoreReturnValue.java",
+    "src/main/java/com/google/protobuf/CheckReturnValue.java",
     "src/main/java/com/google/protobuf/CodedInputStream.java",
     "src/main/java/com/google/protobuf/CodedInputStreamReader.java",
     "src/main/java/com/google/protobuf/CodedOutputStream.java",

java/lite/pom.xml

diff --git a/java/lite/pom.xml b/java/lite/pom.xml
index e5e60a8..358ba46 100644
--- a/java/lite/pom.xml
+++ b/java/lite/pom.xml
@@ -104,6 +104,8 @@
                     <include>ByteBufferWriter.java</include>
                     <include>ByteOutput.java</include>
                     <include>ByteString.java</include>
+                    <include>CanIgnoreReturnValue.java</include>
+                    <include>CheckReturnValue.java</include>
                     <include>CodedInputStream.java</include>
                     <include>CodedInputStreamReader.java</include>
                     <include>CodedOutputStream.java</include>