Let service set the SaveRequest.getClientState() on dataset auth responses.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testFillResponseAuthClientStateSetOnIntentOnly
Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testFillResponseAuthClientStateSetOnFillResponseOnly
Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testFillResponseAuthClientStateSetOnIntentAndFillResponse

Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testDatasetAuthClientStateSetOnIntentOnly
Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testDatasetAuthClientStateSetOnFillResponseOnly
Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testDatasetAuthClientStateSetOnIntentAndFillResponse

Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases

Fixes: 67588471

Change-Id: I05a56bfc02400ce87077c93301abc0e0e1aa59a6