Disable autofill service when new service from Settings is invalid.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testServiceIsDisabledWhenNewServiceInfoIsInvalid
Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases -t android.autofillservice.cts.LoginActivityTest#testServiceIsDisabledWhenNewServiceNameIsInvalid
Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases

Bug: 67496182

Change-Id: I2ee2b0ff125434feb18e539a07b64b83d390291f