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

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 <ak@linux.intel.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20240813160208.2493643-10-kan.liang@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>