veyron/lib/testutil/integration: use SHELL env var in DebugShell impl

Change-Id: I610403696c209857f62fa03e5d498c3c7c47e075
1 file changed
tree: f1e4dca943dee9fb351e1956dfa9e6e1eb3afb56
  1. lib/
  2. profiles/
  3. runtimes/
  4. security/
  5. services/
  6. tools/