benchmark

perf-counters: Make tests pass on Android (#1653)

* perf_counters_gtest: Make test pass on Android

Tested on Pixel 3 and Pixel 6.  Reduce test to the intersection of
what passes on all platforms.

Pixel 6 doesn't support BRANCHES, and only supports two perf
counters.


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Co-authored-by: dominic <510002+dmah42@users.noreply.github.com>