Fix duplicated VSync tracing in SurfaceInterceptor

Change-Id: Id02bb2916d0c53dc11d7106c4aec6954a1acc035
diff --git a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
index 865dcc0..c88c0c4 100644
--- a/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
+++ b/services/surfaceflinger/SurfaceFlinger_hwc1.cpp
@@ -499,10 +499,10 @@
     // start the EventThread
     sp<VSyncSource> vsyncSrc = new DispSyncSource(&mPrimaryDispSync,
             vsyncPhaseOffsetNs, true, "app");
-    mEventThread = new EventThread(vsyncSrc, *this);
+    mEventThread = new EventThread(vsyncSrc, *this, false);
     sp<VSyncSource> sfVsyncSrc = new DispSyncSource(&mPrimaryDispSync,
             sfVsyncPhaseOffsetNs, true, "sf");
-    mSFEventThread = new EventThread(sfVsyncSrc, *this);
+    mSFEventThread = new EventThread(sfVsyncSrc, *this, true);
     mEventQueue.setEventThread(mSFEventThread);
 
     // set SFEventThread to SCHED_FIFO to minimize jitter
@@ -859,7 +859,7 @@
         ALOGV("VSync Injections enabled");
         if (mVSyncInjector.get() == nullptr) {
             mVSyncInjector = new InjectVSyncSource();
-            mInjectorEventThread = new EventThread(mVSyncInjector, *this);
+            mInjectorEventThread = new EventThread(mVSyncInjector, *this, false);
         }
         mEventQueue.setEventThread(mInjectorEventThread);
     } else {