Use same language weight for all dictionaries.

...ve/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

native/jni/src/defines.h

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

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

native/jni/src/suggest/core/result/suggestion_results.cpp

native/jni/src/suggest/core/result/suggestion_results.h

.../jni/src/suggest/core/result/suggestions_output_utils.cpp

...ve/jni/src/suggest/core/result/suggestions_output_utils.h

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

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

native/jni/src/suggest/core/suggest_interface.h