[automerger skipped] Allow creation of SourceStamp only if V2/V3 signing enabled am: bc0fad8914 am: 1a998298bb -s ours
am skip reason: Change-Id I3b890eb15b2c43127e8206d732db2f46f6d90123 with SHA-1 bc0fad8914 is in history

Change-Id: I8020c4525940d8a2c51763d5e37076724ff288b4