[SetupWizardLib] Allow showing keyboard in immersive dialogs

Addd the flag SOFT_INPUT_IS_FORWARD_NAVIGATION when hiding dialog
system bars so that if the dialog wants focus to show IME by default,
it can do so.

Bug: 20639199
Change-Id: I87dc40bbaae71572bbe4b94b92be40342f117613
1 file changed
tree: 49090a5ddc0a4a97e26f7ccb1d4a676a8a624214
  1. library/
  2. navigationbar/
  3. tools/
  4. .gitignore