Update Log Stream Plugin to 0.4.0
Update Log Stream Plugin to 0.4.0

[#166332950]

Signed-off-by: Caitlyn Yu <a158a4c0e67363a7e8ef2805a308e6f2bd729bbc@pivotal.io>

cloudfoundry-incubator/cli-plugin-repo,kkellner/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,kkellner/cli-plugin-repo,kkellner/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo,cloudfoundry-incubator/cli-plugin-repo