traced_perf proto: introduce PerfSampleDefaults and move Timebase to common

See go/perf-counters-tp for overall plan.

Bug: 180437026
Change-Id: Ibb3e8dce27143ce2608ed84fbbaac4d19179f409
diff --git a/BUILD b/BUILD
index c6d129b..5309d1c 100644
--- a/BUILD
+++ b/BUILD
@@ -2883,6 +2883,9 @@
     visibility = [
         PERFETTO_CONFIG.proto_library_visibility,
     ],
+    deps = [
+        ":protos_perfetto_common_protos",
+    ],
 )
 
 # GN target: //protos/perfetto/trace/profiling:zero