+ Make sure randomly generated ids are not -ve. Bug: 158921743 Test: atest --test-mapping apex/blobstore Change-Id: Ic30e60ccf3c2161973ec447b518a2556b45a647a
+ Make sure randomly generated ids are not -ve. Bug: 158921743 Test: atest --test-mapping apex/blobstore Change-Id: Ic30e60ccf3c2161973ec447b518a2556b45a647a