traced_perf: support tracepoints as a timebase

Since boot clock isn't compatible with non-software events, I've changed
to CLOCK_MONOTONIC_RAW timestamping by default (even if we're using a
software event). Non-event packets written by traced_perf itself are
still using CLOCK_BOOTTITME, but that's not a problem.

Bug: 178961752
Change-Id: Ia8e476e2ba9068c18d1be2c15322c5ec61b03580
diff --git a/Android.bp b/Android.bp
index 80c3129..b85d3bb 100644
--- a/Android.bp
+++ b/Android.bp
@@ -9406,6 +9406,7 @@
     ":perfetto_src_profiling_perf_traced_perf_main",
     ":perfetto_src_profiling_perf_unwinding",
     ":perfetto_src_protozero_protozero",
+    ":perfetto_src_traced_probes_ftrace_ftrace_procfs",
     ":perfetto_src_traced_probes_packages_list_packages_list_parser",
     ":perfetto_src_tracing_common",
     ":perfetto_src_tracing_core_core",