Cleanup InputMethodManagerCompatWrapper

...d/inputmethod/compat/InputMethodManagerCompatWrapper.java

...c/com/android/inputmethod/keyboard/LatinKeyboardView.java

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

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

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

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

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