Cherry pick PR #2954: Added UMA telemetry for Format Queries #3053
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Refer to the original PR: #2954
Modifies the existing class
media::FormatSupportQueryMetrics
to report latency stats to UMA histograms, and does so on Gold builds. The existing log reporting has been retained for non-Gold builds.Added basic unit tests to verify that the UMA histograms are being reported correctly.
b/329439820
Change-Id: Ie7f4e2e6c518d1c6c058fcbf62f046b56ea5f298