Add basic tests for inline augmented autofill on webview. Bug: 156408900 Test: atest android.autofillservice.cts.inline.\ InlineAugmentedWebViewActivityTest Change-Id: If03ca08d02f4d189a15c8a611eaffdf66e4c415f Merged-In: If03ca08d02f4d189a15c8a611eaffdf66e4c415f