TIMOB-15535: Don't default to setting textareas to InputType.TYPE_TEXT_FLAG_IME_MULTI_LINE.
TIMOB-15535: Also update the keyboard on propertyChanged when we update the returnKeyType.
Merge pull request #4825 from ayeung/timob-15535

TIMOB-15535: Don't default to setting textareas to InputType.TYPE_TEXT_FLAG_IME_MULTI_LINE.