Load main dic in native

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

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

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

...ve/jni/com_android_inputmethod_latin_BinaryDictionary.cpp

native/src/bigram_dictionary.cpp

native/src/defines.h

native/src/dictionary.cpp

native/src/dictionary.h

native/src/unigram_dictionary.cpp

native/src/unigram_dictionary.h

tests/src/com/android/inputmethod/latin/SuggestHelper.java

...om/android/inputmethod/latin/SuggestPerformanceTests.java

tests/src/com/android/inputmethod/latin/SuggestTests.java

tests/src/com/android/inputmethod/latin/UserBigramTests.java