[Keyboard] - Prefilled text at start up of keyboard input box

[mforys]

When we launch a keyboard there should be a possibility to put some initial text into Input Text Field. Right now we may put only some initial text value which is treated as a hint and disappears after entering a first char.

SDLPerformInteraction* performInteraction = [[SDLPerformInteraction alloc] init]; performInteraction.initialText = text; [self.sdlManager.sdlManagerImpl sendRequest:performInteraction ...