Helm plugin mapkubeapis needs to be installed to help application user
deal with deprecated kubernetes resources apis.
The plugin tarball must be added to the exceptions of dl_tarball as
the script by default untars with `--strip-components 1`, thus removing
the plugin binary before recompressing
Story: 2009138
Task: 46022
Signed-off-by: Lucas Cavalcante <lucasmedeiros.cavalcante@windriver.com>
Change-Id: I4aac5b865bd1c4db519717135fbaa81ea2bda6cb