lit/TestRunner.py: [Win32] Rework WinWaitReleased() again! "win32file" from Python Win32 Extensions.
lit/TestRunner.py: [Win32] Rework WinWaitReleased() again! "win32file" from Python Win32 Extensions.

We can simply confirm the handle released to open it with EXCLUSIVE. Attempting renaming was bad.

Disable win32file at ImportError. Thanks to Francois to let me know.

FIXME: Could we report warning or notification if win32file were not found?

git-svn-id: a4a6f32337ebd29ad4763b423022f00f68d1c7b7@153172 91177308-0d34-0410-b5e6-96231b3b80d8

lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx,lodyagin/bare_cxx