[automerger skipped] Add options to sign the prebuilt custom images. am:...
[automerger skipped] Add options to sign the prebuilt custom images. am: d9edddd6 -s ours am: cae87d6f -s ours
am skip reason: Change-Id Ifccfee5e8909697eef6ccda0cc352fa16a9f6db6 with SHA-1 d9edddd6 is in history
Change-Id: I7ebe9a131a62939b8713f19576343b72886f0d73