Revert "Clean up BUILD rules" Reason for revert: this change pulls in the whole nine yards plugin API and blows up the plugin size from 100k to 50MB. This reverts commit 6e7f0886dbc45d685f0d325b24e3e1c7373d14ba. Change-Id: Idaf27a3dbee5ec06659b5b2e6406ce9f702b3122