traced_probes ftrace: use /sys/kernel/tracing on all platforms. am: 5f6b5e4dba
traced_probes ftrace: use /sys/kernel/tracing on all platforms. am: 5f6b5e4dba

Original change: https://android-review.googlesource.com/c/platform/external/perfetto/+/1465966

Change-Id: I37097bce06e02b3b634adc657a363d345d532cc2

google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto,google/perfetto