Merge "Merge NOT_A_VALID_WORD_POS into NOT_A_DICT_POS."

native/jni/src/defines.h

native/jni/src/suggest/core/dicnode/dic_node.h

native/jni/src/suggest/core/dicnode/dic_node_utils.cpp

...c/suggest/core/dicnode/internal/dic_node_state_prevword.h

native/jni/src/suggest/core/dictionary/bigram_dictionary.cpp

native/jni/src/suggest/core/dictionary/dictionary.cpp

native/jni/src/suggest/core/dictionary/multi_bigram_map.h

native/jni/src/suggest/core/session/dic_traverse_session.cpp

native/jni/src/suggest/core/session/dic_traverse_session.h

...cyimpl/dictionary/bigram/bigram_list_read_write_utils.cpp

...licyimpl/dictionary/bigram/bigram_list_read_write_utils.h

...licyimpl/dictionary/bigram/dynamic_bigram_list_policy.cpp

...licyimpl/dictionary/dynamic_patricia_trie_node_reader.cpp

...policyimpl/dictionary/dynamic_patricia_trie_node_reader.h

...st/policyimpl/dictionary/dynamic_patricia_trie_policy.cpp

...icyimpl/dictionary/dynamic_patricia_trie_reading_helper.h

...rc/suggest/policyimpl/dictionary/patricia_trie_policy.cpp