Set FIELD_AUTOFILL_NUM_DATASETS to -1 when service return no response.

Test: adb shell logcat -b events | grep sysui | grep '757,907'
     # while running LoginActivityTest#testAutoFillNoDatasets

Bug: 70241978

Change-Id: I611bd4fa8407b16491f1ae7b859564233fa6ba81
2 files changed