perf_hooks: reset prev_ before starting ELD timer
reset ELDHistogram.prev_
before staring timer to ensure that start
timer doesn't leak across disable()
enable()
calls.
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines
@jasnell I have seen this nit late during review of #26556 and it's not directly related to your changes. But feel free to integrate it into your PR to avoid a later on merge conflict.