* Update plugins/cookbook-plugin from branch 'master'
- Bazel: Run plugin tests non-hermetically
The plugin tests required the plugin to be built and installed to the
test site (controlled by the test), so that this implementation is by
design non hermeticized so we can't run in the sandbox.
Change-Id: I39b981aaa4c6063f34e97db59a34b6a0f238e28b