Preload SharedPreferences at start.

...com/android/inputmethod/latin/InputLanguageSelection.java

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

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

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

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

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

java/src/com/android/inputmethod/voice/Hints.java

.../src/com/android/inputmethod/voice/VoiceIMEConnector.java