497af77d7a
Zone.js support `Angular package format` since `0.11`, but the `fesm2015` bundles are not `esm` format, it still use `umd` bundle which is not correct, in this PR, a new `esm` bundle output is added in `rollup_bundle` rule under `tools`, so zone.js can use the new rule to generate `esm` bundles. PR Close #39203