Change log for Android SDK Tools.

Revision 5 (02/2010):
- AVD/SDK Manager:
	- Fixed SSL download for the standalone version of the SDK Updater.
	- Add support for samples components.
	- improved support for dependency between components.
	- AVDs now sorted by API level.
	- Prevent deletion of running AVD.
- Emulator now requires sd card to be 9MB and above.
- Fixed layoutopt.bat to correctly execute on Windows.