Adding test family targets for xxx_irt to scons. Otherwise there has to be at least one family member to ensure the family is instantiated. This does not always happen, e.g. for arm.
Adding test family targets for xxx_irt to scons.
Otherwise there has to be at least one family member
to ensure the family is instantiated.
This does not always happen, e.g. for arm.

This fixes failures on the trybots introduced by r2900.

BUG=none
TEST=bots, manual
Review URL: https://chromiumcodereview.appspot.com/10829246

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@9410 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client