PR #11651: fix GpuPerformanceWithCollectiveModel: communication_time should be M…
PR #11651: fix GpuPerformanceWithCollectiveModel: communication_time should be M…

Imported from GitHub PR https://github.com/openxla/xla/pull/11651

fix GpuPerformanceWithCollectiveModel: communication_time should be Milliseconds
#11650 
Copybara import of the project:

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cbdde983ab780971f384c821837b2ebda5de3ff1 by zjjott <zjjott@gmail.com>:

fix GpuPerformanceWithCollectiveModel: communication_time should be Milliseconds

Merging this change closes #11651

FUTURE_COPYBARA_INTEGRATE_REVIEW=https://github.com/openxla/xla/pull/11651 from zjjott:hotfix/fix_gpu_collective_performance_model cbdde983ab780971f384c821837b2ebda5de3ff1
