Also improve the documentation to make it a little less unclear what this
is all about. In particular, explain why the original submitter's complaint
about "zero" never being used in English, is expected behavior.
Bug: 2663392
Change-Id: Iade3b4f5c549ce01a95fd0e7e5c6ea394178eda3
Huge overhaul. Includes all new dev guides about how resources are used
on Android and how to provide alternatives, including how to handle
runtime configuration changes (restarts). Plus all new reference
docs for all the resource types (drawables, strings, menus, etc.).
Change-Id: Icf079f5f45b1745a8d54f504e28dbbb52c6f7c96
