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With this CL, if the buffer passed to NtQuerySystemInformation requests
a large buffer size more than twice, the startup temperature is
set to UNDETERMINED. Previously, we read the content of the empty
buffer (according to
https://docs.microsoft.com/en-us/windows/win32/api/winternl/nf-winternl-ntquerysysteminformation,
the buffer is not filled if its size is insufficient).

Bug: 1085716
Change-Id: I5c7b642cf17d8de0655c0e926e6e5f063d1f0cb3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2518943Reviewed-by: Gabriel Charette <gab@chromium.org>
Commit-Queue: François Doray <fdoray@chromium.org>
Cr-Commit-Position: refs/heads/master@{#824423}