SF: cleanup VSP traces

Turn off some unuseful traces, and add a trace when the period changes.

Test: manual
Bug: 262863132
Change-Id: I4833de28d6f95d98e675f7bb0a99d7f56eadc8b6
diff --git a/services/surfaceflinger/Scheduler/VSyncPredictor.h b/services/surfaceflinger/Scheduler/VSyncPredictor.h
index 4a3ba67..305cdb0 100644
--- a/services/surfaceflinger/Scheduler/VSyncPredictor.h
+++ b/services/surfaceflinger/Scheduler/VSyncPredictor.h
@@ -77,6 +77,7 @@
     void clearTimestamps() REQUIRES(mMutex);
 
     inline void traceInt64If(const char* name, int64_t value) const;
+    inline void traceInt64(const char* name, int64_t value) const;
     bool const mTraceOn;
 
     size_t const kHistorySize;