Fixed autofill workflow to handle manual requests after session became for augmented autofill only.

Test: atest \
  AugmentedLoginActivityTest#testAutoFill_neitherServiceCanAutofill_manualRequest \
  AugmentedLoginActivityTest#testAutoFill_neitherServiceCanAutofill_thenManualRequest \
  AugmentedLoginActivityTest#testAugmentedAutoFill_mainServiceDisabled_manualRequest \
  AugmentedLoginActivityTest#testAugmentedAutoFill_mainServiceDisabled_autoThenManualRequest \
  AugmentedLoginActivityTest#AugmentedLoginNotImportantForAutofillActivityTest#testAutofill_manualRequest \
  AugmentedLoginActivityTest#AugmentedLoginNotImportantForAutofillActivityTest#testAutofill_autoThenManualRequests
Test: atest CtsAutoFillServiceTestCases # for sanity check

Fixes: 132119724

Change-Id: I500fabc8f9a5258ea1a6184d7e7712efb56714c0