app not being destroyed when destroying the platform (PlatformRef)

[talsi]

I'm submitting a ... (check one with "x")

[x] bug report => search github for a similar issue or PR before submitting
[ ] feature request
[ ] support request => Please do not submit support request here, instead see https://github.com/angular/angular/blob/master/CONTRIBUTING.md#question

Current behavior
modules are not being destroyed when destroying the platform (PlatformRef).

Expected behavior
bootstrapped app should be destroyed after the platform gets destroyed

Reproduction of the problem
plunker (BUG2 - README.md): http://plnkr.co/edit/1qK9m8WrkXejzoM20glQ?p=preview
git repo (BUG2 - README.md): https://github.com/talsi/ng2-bug-reproduce-destroy

1. wait for angular app to load.
2. click on button "destroy platform" (from destruction panel).
3. optional - repeat step 2

What is the motivation / use case for changing the behavior?
PlatformRef.destroy definition is "Destroy the Angular platform and all Angular applications on the page.". I have several ng2 apps hosted in an exsiting single page application. i need to be able to bootsrap and destroy an app without having side effects.

Please tell us about your environment:

Windows10, WebStorm, NPM 3.10.3, NodeJs 6.5.0, Angular-CLI 1.0.0-beta.16

• Angular version: 2.0.0

  "dependencies": {
  "@angular/common": "2.0.0",
  "@angular/compiler": "2.0.0",
  "@angular/core": "2.0.0",
  "@angular/forms": "2.0.0",
  "@angular/http": "2.0.0",
  "@angular/platform-browser": "2.0.0",
  "@angular/platform-browser-dynamic": "2.0.0",
  "@angular/router": "3.0.0",
  "core-js": "^2.4.1",
  "rxjs": "5.0.0-beta.12",
  "ts-helpers": "^1.1.1",
  "zone.js": "^0.6.23"
  },
  "devDependencies": {
  "@types/jasmine": "^2.2.30",
  "angular-cli": "1.0.0-beta.16",
  "codelyzer": "~0.0.26",
  "jasmine-core": "2.4.1",
  "jasmine-spec-reporter": "2.5.0",
  "karma": "1.2.0",
  "karma-chrome-launcher": "^2.0.0",
  "karma-cli": "^1.0.1",
  "karma-jasmine": "^1.0.2",
  "karma-remap-istanbul": "^0.2.1",
  "protractor": "4.0.9",
  "ts-node": "1.2.1",
  "tslint": "3.13.0",
  "typescript": "2.0.2"
  }

• Browser: Chrome 53.0.2785.116 m

• Language: TypeScript 2.0.2

• Node (for AoT issues): node --version = 6.5.0

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