Reorganize Utils class

...c/com/android/inputmethod/dictionarypack/ActionBatch.java

...com/android/inputmethod/dictionarypack/UpdateHandler.java

...rc/com/android/inputmethod/keyboard/MainKeyboardView.java

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

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

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

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

...method/latin/spellcheck/SpellCheckerSettingsFragment.java

...ndroid/inputmethod/latin/suggestions/MoreSuggestions.java

...method/latin/suggestions/SuggestionStripLayoutHelper.java

...com/android/inputmethod/latin/utils/ApplicationUtils.java

.../android/inputmethod/latin/utils/LatinImeLoggerUtils.java

...droid/inputmethod/latin/utils/UsabilityStudyLogUtils.java

...ndroid/inputmethod/latin/utils/UserLogRingCharBuffer.java

java/src/com/android/inputmethod/latin/utils/Utils.java