b/19944127
Also added references to arguments and global values in a closure to
keep them live in Java while native code may access them.
Change-Id: I1179d34aa67f845578740e71cc2da4f82419f251
Use a single vararg Object array for both kernel/invoke arguments
and global bindings. The assumption is that global bindings are in
the end after the kernel/invoke arguments.
This simplifies the api to add a kernel or invoke to a script group.
Change-Id: I7efb1035c5967e2cadd15e6fe27f20c80ba197a2
