Check for kernel chaining in ScriptGroup


bcc expects kernels chained up via input and output.
Check this in the runtime before passing ScriptGroup to bcc for
compiler fusion.

This serves the same purpose as, but
provides additional checks in the runtime before bcc is even called.

Change-Id: I6004d577410ea1684f5043babadc1e1b885c4f6a
(cherry picked from commit 08e7693c13f895677b93537af3b6bc353318a81c)
4 files changed