Make InvalidTransitionException a subclass of Exception

So far, this exception was subclassing IOException but this is more of a
logical exception than an I/O one.

Change-Id: Ic06b8877aa18bdb6e8830ae04d3454ab224e6cf6
1 file changed
tree: 399e482a6a6bcfaf149a9c4c6d8473372d0e20d9
  1. .settings/
  2. src/
  3. tools/
  4. .gitignore
  5. bazlets.bzl
  6. BUILD
  7. LICENSE
  8. WORKSPACE