Case 1:resume a paused VM with "-rtc base=localtime,clock=vm" (only windows)
Case 2:resume a paused VM with "-rtc base=localtime,clock=host" (only windows)
Case 3:resume a paused VM with "-rtc base=utc,clock=vm" (only linux)
Case 4:resume a paused VM with "-rtc base=utc,clock=host" (only linux)
Signed-off-by: Nyama <yama@redhat.com>