Fix some of the negative language tests in preparation for implementing

Fix some of the negative language tests in preparation for implementing
delayed class parsing in Dart VM.
- Some of the tests under tests/language expect compile-time errors but
  these tests do not use the class which has errors. When the VM will
  implement delayed parsing of classes (classes are parsed only if they
  are used) these tests will fail as the Dart VM will not report these as
  compile-time errors. The option VMOptions=--compile_all has been added
  to these tests to ensure that all classes are compiled and the error
  is reported.
- One co19 test has a similar issue and a bug has been filed against it
  (co19 issue 415). the co19-runtime.status file has been updated to
  skip this test until issue 415 is resolved.

R=iposva@google.com

Committed: https://code.google.com/p/dart/source/detail?r=23113

[Ivan Posva, 2013-05-23 22:34:51]

LGTM -ip

[siva, 2013-05-23 23:39:06]

Committed patchset #2 manually as r23113 (presubmit successful).