Remove hack from EmojiPalettesView.startEmojiPalettes

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

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

java/src/com/android/inputmethod/keyboard/KeyboardView.java

...roid/inputmethod/keyboard/internal/EmojiLayoutParams.java

...droid/inputmethod/keyboard/internal/KeyboardTextsSet.java