win: Disable Clock tests that require SleepNanoseconds
win: Disable Clock tests that require SleepNanoseconds

As it was left unimplemented on Windows per previous discussion.

R=mark@chromium.org
BUG=crashpad:1

Review URL: https://codereview.chromium.org/838833004

Chilledheart/crashpad,atom/crashpad,hokein/crashpad,atom/crashpad,hankbao/Crashpad,Chilledheart/crashpad,Chilledheart/crashpad,hokein/crashpad,chromium/crashpad,chromium/crashpad,atom/crashpad,hokein/crashpad,hankbao/Crashpad,hankbao/Crashpad,chromium/crashpad