BOOTSTRAP:  update release script for build.mode flag
BOOTSTRAP:  update release script for build.mode flag

[git-p4: depot-paths = "//open/dev/": change = 13084]

LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb,LucidDB/luciddb