Merge "[ML8] Add a language weight"

java/src/com/android/inputmethod/latin/BinaryDictionary.java

...src/com/android/inputmethod/latin/DicTraverseSession.java

java/src/com/android/inputmethod/latin/Dictionary.java

...c/com/android/inputmethod/latin/DictionaryCollection.java

.../com/android/inputmethod/latin/DictionaryFacilitator.java

...android/inputmethod/latin/ExpandableBinaryDictionary.java

...m/android/inputmethod/latin/ReadOnlyBinaryDictionary.java

...ve/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

native/jni/src/defines.h

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

...rc/suggest/core/dicnode/internal/dic_node_state_scoring.h

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

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

native/jni/src/suggest/core/policy/scoring.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