am 7f5f3524: am fc8e5ed5: am ef593b01: am ad4c9093: Merge "Add hex string utils"

* commit '7f5f3524fc56679d065ad3a444116d071b98cba0':
main
Satoshi Kataoka 2013-10-03 12:04:04 -07:00 committed by Android Git Automerger
commit d08d1b2bfa

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