Fix PinResults tests

If the result is a failure, attempts remaining will be -1. Update the
tests to allow -1.

Test: atest TelephonyManagerTest
Bug: 173445656
Change-Id: Ib4286b50ef40a87a00571792edf3f1ddead52c9a
Merged-In: Ib4286b50ef40a87a00571792edf3f1ddead52c9a
1 file changed