am 160edb36: Add ability to guard a thread against setting its own prio to bg

Merge commit '160edb3645f8b7012bab70ae6e6e8c4a5733082b' into gingerbread-plus-aosp

* commit '160edb3645f8b7012bab70ae6e6e8c4a5733082b':
  Add ability to guard a thread against setting its own prio to bg
tree: 0fa1b642963ca4725d750a9fc570fc4e3f392f96
  1. awt/
  2. camera/
  3. cmds/
  4. include/
  5. libs/
  6. opengl/
  7. vpn/
  8. MODULE_LICENSE_APACHE2
  9. NOTICE