Disable ErrorProne for its own dependencies.

ErrorProne checking needs to be disabled for this package to
avoid a circular dependency on error_prone_plugin once it's
built from source. This CL is sent separately to reduce churn
in case the source import needs to be temporarily reverted.

Bug: 448761419
Test: presubmit
Flag: EXEMPT HOST_MODE
Change-Id: I5e13ab652012946c0823d711ece7b508258f3095