Rename polymer and cr_elements v0_8 to v1_0

third_party/polymer/v1_0/components/iron-a11y-announcer/bower.json

 {
   "name": "iron-a11y-announcer",
   "version": "1.0.0",
   "description": "A singleton element that simplifies announcing text to screen readers.",
   "keywords": [
     "web-components",
     "polymer",
     "a11y",
     "live"
   ],
   "authors": [
     "The Polymer Authors"
   ],
   "main": "iron-a11y-announcer.html",
   "license": "http://polymer.github.io/LICENSE.txt",
   "dependencies": {
     "polymer": "polymer/polymer#^1.0.0"
   },
   "devDependencies": {
     "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
     "iron-test-helpers": "polymerelements/iron-test-helpers#^1.0.0",
     "paper-button": "polymerelements/paper-button#^1.0.0",
     "paper-styles": "polymerelements/paper-styles#^1.0.0",
     "test-fixture": "polymerelements/test-fixture#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
     "web-component-tester": "*"
   }
 }