merge from open-source froyo

Change-Id: I59f53db7ade1851d281bf9a85abb78d134369b08
tree: 4a2e779cd1bb2056cf14339cbeebbbd92d0a57f0
  1. development/
  2. tests/
  3. tools/
  4. .gitignore
  5. Android.mk
  6. CleanSpec.mk