perf jevents: Correct bad character encoding

A character encoding issue added a "3D" character that breaks the
metrics test.

Fixes: 40769665b63d8c84 ("perf jevents: Parse metrics during conversion")
Reviewed-by: Kajol Jain <[e-mail]>
Signed-off-by: Ian Rogers <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: Alexander Shishkin <[e-mail]>
Cc: Caleb Biggers <[e-mail]>
Cc: Florian Fischer <[e-mail]>
Cc: Ian Rogers <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: James Clark <[e-mail]>
Cc: Jing Zhang <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: John Garry <[e-mail]>
Cc: Kan Liang <[e-mail]>
Cc: Kang Minchul <[e-mail]>
Cc: Kim Phillips <[e-mail]>
Cc: Leo Yan <[e-mail]>
Cc: Mark Rutland <[e-mail]>
Cc: Mike Leach <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Perry Taylor <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Ravi Bangoria <[e-mail]>
Cc: Rob Herring <[e-mail]>
Cc: Sandipan Das <[e-mail]>
Cc: Stephane Eranian <[e-mail]>
Cc: Will Deacon <[e-mail]>
Cc: Xing Zhengjun <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/pmu-events/metric_test.py

···
     after = r'min((a + b if c > 1 else c + d), e + f)'
     self.assertEqual(ParsePerfJson(before).ToPerfJson(), after)
 
-    before =3D r'a if b else c if d else e'
-    after =3D r'(a if b else (c if d else e))'
+    before = r'a if b else c if d else e'
+    after = r'(a if b else (c if d else e))'
     self.assertEqual(ParsePerfJson(before).ToPerfJson(), after)
 
   def test_ToPython(self):