perf tests attr: Fix task term values

The perf_event_attr::task is 1 by default for first (tracking) event in
the session. Setting task=1 as default and adding task=0 for cases that
need it.

Signed-off-by: Jiri Olsa <[e-mail]>
Cc: David Ahern <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas-Mich Richter <[e-mail]>
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/attr/base-record

···
 freq=1
 inherit_stat=0
 enable_on_exec=1
-task=0
+task=1
 watermark=0
 precise_ip=0|1|2|3
 mmap_data=0

tools/perf/tests/attr/test-record-group

···
 read_format=4
 mmap=0
 comm=0
+task=0
 enable_on_exec=0
 disabled=0

tools/perf/tests/attr/test-record-group-sampling

···
 
 # PERF_FORMAT_ID | PERF_FORMAT_GROUP
 read_format=12
-
+task=0
 mmap=0
 comm=0
 enable_on_exec=0

tools/perf/tests/attr/test-record-group1

···
 read_format=4
 mmap=0
 comm=0
+task=0
 enable_on_exec=0
 disabled=0