Concatenate dict buffers other than header to a single file.

...mpl/dictionary/structure/v4/content/bigram_dict_content.h

...policyimpl/dictionary/structure/v4/content/dict_content.h

...tionary/structure/v4/content/probability_dict_content.cpp

...ictionary/structure/v4/content/probability_dict_content.h

...dictionary/structure/v4/content/shortcut_dict_content.cpp

...l/dictionary/structure/v4/content/shortcut_dict_content.h

...mpl/dictionary/structure/v4/content/single_dict_content.h

...ionary/structure/v4/content/sparse_table_dict_content.cpp

...ctionary/structure/v4/content/sparse_table_dict_content.h

...y/structure/v4/content/terminal_position_lookup_table.cpp

...ary/structure/v4/content/terminal_position_lookup_table.h

.../policyimpl/dictionary/structure/v4/ver4_dict_buffers.cpp

...st/policyimpl/dictionary/structure/v4/ver4_dict_buffers.h

...olicyimpl/dictionary/structure/v4/ver4_dict_constants.cpp

.../policyimpl/dictionary/structure/v4/ver4_dict_constants.h

...t/policyimpl/dictionary/utils/dict_file_writing_utils.cpp

...est/policyimpl/dictionary/utils/dict_file_writing_utils.h