Stub out precise clock structure from the overall flow of timers.c so that
there are no ifdefs in the middle of structures of the main code path
diff --git a/build.json b/build.json
index c865489..0274ed1 100644
--- a/build.json
+++ b/build.json
@@ -138,6 +138,7 @@
"src/core/json/json_reader.h",
"src/core/json/json_writer.h",
"src/core/profiling/timers.h",
+ "src/core/profiling/timers_preciseclock.h",
"src/core/statistics/census_interface.h",
"src/core/statistics/census_log.h",
"src/core/statistics/census_rpc_stats.h",