add missing files to Makefile.am for java bazel (#8522)
diff --git a/Makefile.am b/Makefile.am
index be11848..ac308d8 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -530,6 +530,8 @@
java/core/src/test/proto/com/google/protobuf/test_check_utf8_size.proto \
java/core/src/test/proto/com/google/protobuf/test_custom_options.proto \
java/core/src/test/proto/com/google/protobuf/wrappers_test.proto \
+ java/internal/BUILD \
+ java/internal/testing.bzl \
java/kotlin/generate-sources-build.xml \
java/kotlin/generate-test-sources-build.xml \
java/kotlin/pom.xml \
@@ -568,6 +570,7 @@
java/lite/process-lite-sources-build.xml \
java/lite/src/test/java/com/google/protobuf/LiteTest.java \
java/lite/src/test/java/com/google/protobuf/Proto2MessageLiteInfoFactory.java \
+ java/BUILD \
java/pom.xml \
java/util/BUILD \
java/util/pom.xml \