Sync from Piper @334206209
PROTOBUF_SYNC_PIPER
diff --git a/cmake/libprotobuf-lite.cmake b/cmake/libprotobuf-lite.cmake
index bbba607..75d8d71 100644
--- a/cmake/libprotobuf-lite.cmake
+++ b/cmake/libprotobuf-lite.cmake
@@ -1,6 +1,7 @@
set(libprotobuf_lite_files
${protobuf_source_dir}/src/google/protobuf/any_lite.cc
${protobuf_source_dir}/src/google/protobuf/arena.cc
+ ${protobuf_source_dir}/src/google/protobuf/arenastring.cc
${protobuf_source_dir}/src/google/protobuf/extension_set.cc
${protobuf_source_dir}/src/google/protobuf/generated_enum_util.cc
${protobuf_source_dir}/src/google/protobuf/generated_message_table_driven_lite.cc
