Simpler VM status file fix for if_null tests.
Simpler VM status file fix for if_null tests.

This should fix some additional buildbots
(e.g. dartium-lucid32-full-be) that were missed by r44803.

TBR=hausner@google.com

Review URL: https://codereview.chromium.org//1045333002

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@44807 260f80e4-7a28-3924-810f-c04153c831b5

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