AF Inline: Don't stop filtering after a suggestion was selected.

This is consistent with dropdown.

The current logic was implemented incorrectly in
I396c2cb279f1eb552bbae8c3509cb29c95e86609.

Fix: 158274878
Test: manual
Test: atest CtsAutoFillServiceTestCases:DatasetFilteringInlineTest
 CtsAutoFillServiceTestCases:InlineFilteringTest
 CtsAutoFillServiceTestCases:DatasetFilteringDropdownTest
Change-Id: I6d67945944e616d0c30b19eb1430383be754b67c