perf test: Add new test cases for the branch counter feature

Enhance the test case for the branch counter feature.

Now, the test verifies:

- The new filter can be successfully applied on the supported platforms.
- The counter value can be outputted via the perf report -D
- The counter value and the abbr name can be outputted via the
  perf script (New)

Reviewed-by: Andi Kleen <[email protected]>
Signed-off-by: Kan Liang <[email protected]>
Acked-by: Namhyung Kim <[email protected]>
Cc: Adrian Hunter <[email protected]>
Cc: Ian Rogers <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

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