am d5854946: am 141c9711: am 3f01142e: Merge "Added some threading notes" into gingerbread

Merge commit 'd5854946a4ce3ad3da66542ca3aafb35e9558281' into dalvik-dev

* commit 'd5854946a4ce3ad3da66542ca3aafb35e9558281':
  Added some threading notes