message: docs: release notes for the v9.1.11 release
  This commit contains the release notes from the 9.1.11 release. They were Copy-pasted from the CHANGELOG in the 9.1.x branch.
diff: +<a name="9.1.11"></a>
  +## [9.1.11](https://github.com/angular/angular/compare/9.1.10...9.1.11) (2020-06-10)
  +
  +### Reverts
  +
  +* **elements:** fire custom element output events during component initialization ([dc9da17](https://github.com/angular/angular/commit/dc9da17))
  +
  +
  <a name="9.1.10"></a>
  ## [9.1.10](https://github.com/angular/angular/compare/9.1.9...9.1.10) (2020-06-09)
  