Test win32.reload-newaddr is flaky on bots

Test win32.reload-newaddr is flaky on [bots](http://build.chromium.org/p/client.dynamorio/builders/win-7-dr).

```
test 30
Start 30: code_api|win32.reload-newaddr

30: Test command: E:\b\build\slave\win-7-dr\build\build_debug-internal-32\bin32\drrun.exe "-s" "60" "-quiet" "-debug" "-use_dll" "E:/b/build/slave/win-7-dr/build/build_debug-internal-32/lib32/debug/dynamorio.dll" "-exit0" "-stderr_mask" "0xC" "-msgbox_mask" "0" "-dumpcore_mask" "0x7d" "-staged" "-code_api" "--" "E:/b/build/slave/win-7-dr/build/build_debug-internal-32/suite/tests/bin/win32.reload-newaddr.exe"
30: Test timeout computed to be: 120
30: iters is 40
30: Memory check: pagefile usage increase is >= 80 KB, < 120 KB
30: sum=-994385352
45/191 Test #30: code_api|win32.reload-newaddr ................................***Failed Required regular expression not found.Regex=[^iters is 40
?
Memory check: pagefile usage increase is < 80 KB
?
sum=-994385352
?
$
] 3.95 sec
```