gn2bp: create multiple genrule for a single action_foreach

* create_action_foreach_modules replaces the args template with the appropriate source file and outputs. It unrolls the action_foreach cmd into a single long genrule cmd. Both are equivalent, then is delegated to create_action_module

Test: m cronet_aml_net_net
Change-Id: I49d36b00138aff00965fff1c31614e7c8e6543f8
2 files changed