Move obsolete files to obsolete dir 2

native/jni/Android.mk

...ve/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

native/jni/src/obsolete/correction.cpp

native/jni/src/obsolete/correction.h

native/jni/src/obsolete/correction_state.h

native/jni/src/obsolete/unigram_dictionary.cpp

native/jni/src/obsolete/unigram_dictionary.h

native/jni/src/obsolete/words_priority_queue.h

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