Merge change 1108 into donut

* changes:
  * update density correctly when the configuration is changed. * Turns private sLcdDensity to public DEVICE_DENSITY to use it in ActivityThread
tree: 9ff7ea8e1feb43e181d4ca0d02fea1bd73d018ac
  1. awt/
  2. camera/
  3. cmds/
  4. im/
  5. include/
  6. libs/
  7. opengl/
  8. MODULE_LICENSE_APACHE2
  9. NOTICE