Cargo already uses the term 'integration test' for tests living
in the tests/ directory of a crate.
To prevent confusion, rename our 'integration_tests' crate to
'e2e_tests'.
BUG=None
TEST=presubmit
Change-Id: Icfa819eaed08be54ab0f36092f1ba367f3f1ce88
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/4004977
Commit-Queue: Dennis Kempin <denniskempin@google.com>
Reviewed-by: Zihan Chen <zihanchen@google.com>
