Add display API Documentations to Doc server

Remove systemInfo.cpu and systemInfo.storage from extensions
template and add systemInfo.display template.

TBR=kalman@chromium.org

Review URL: https://chromiumcodereview.appspot.com/12297011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202430 0039d316-1c4b-4281-b951-d872f2087c98

chrome/common/extensions/docs/templates/public/apps/systemInfo_display.html

+{{+partials.standard_apps_api api:apis.system_info_display}}

chrome/common/extensions/docs/templates/public/extensions/experimental_systemInfo_cpu.html

-{{+partials.standard_extensions_api api:apis.experimental_system_info_cpu}}

chrome/common/extensions/docs/templates/public/extensions/experimental_systemInfo_storage.html

-{{+partials.standard_extensions_api api:apis.experimental_system_info_storage}}