Add a way that subtype will be excluded from a last input method

Bug: 3382702

- Added SUBTYPE_EXTRAVALUE_EXCLUDE_FROM_LAST_IME and if subtype has this extra value,
It will be excluded from a last input method which will be called from switchToLastInputMethod

Change-Id: I03ae10e07f978dcc3a83dd77b10613048dce7f22
1 file changed