adb: win32: set thread names

Use a new Windows 10 API, SetThreadDescription(). Background info from a Chrome developer:

https://randomascii.wordpress.com/2015/10/26/thread-naming-in-windows-time-for-something-better/



Test: Win10, Vista, adb shell
Test: Ran windbg -pn adb.exe, used .dump /ma to create a dump, ran
`dx -g @$curprocess.Threads' on the dump and it showed the thread names.

Change-Id: I14ea7121605cb3fa45ce7b59e2ba5882a215b59f
Signed-off-by: Spencer Low <CompareAndSwap@gmail.com>