Merge changes from topic 'am-e8b27162a6b040448c5e983f1c67874b' into oc-dr1-dev-plus-aosp
* changes:
Autofill sample: Use custom adapter for cc exp years. am: 8e4f496d am: 5977dcba
Autofill sample: added icons, fixed an auth bug, added more comments. am: dd108ebb am: 8f2efb79
Check autofillHints to make sure autofillHint is supported by service. am: bb55ff97 am: 632ef645