Don't save empty quick responses; show keyboard on phone

While creating or editing a quick response, disables the save
button when the edit text is empty. Also, now shows the keyboard
on the phone as soon as the dialog box pops up to edit/create
a quick response.

Bug: 5011277
Change-Id: I9926d07cae0e527a7c08a4cc556a9569a91d2f33
1 file changed