Add DDC kernel tests to test matrix
Add DDC kernel tests to test matrix

Change-Id: Ie04c6a0308cf19b7e051f97aafa06d81b9979d7b
Reviewed-on: https://dart-review.googlesource.com/23662
Reviewed-by: Morten Krogh-jespersen <a3badf6957a2280571d62292a72c7a0ea2f744f0@google.com>

dart-archive/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dart-lang/sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dart-lang/sdk,dart-lang/sdk,dart-lang/sdk,dartino/dart-sdk,dart-archive/dart-sdk,dart-lang/sdk,dartino/dart-sdk,dartino/dart-sdk,dart-archive/dart-sdk,dartino/dart-sdk,dartino/dart-sdk