Revert remaining debug logs added for b/260260325

Flags: not needed
Fixes: 260260325
Test: Tapl tests
Change-Id: Ie339e2ce3bd301c1c352a2f82d1a370c1f4970c1

ext_tests/src/com/android/launcher3/testing/DebugTestInformationHandler.java

@@ -25,7 +25,6 @@ import android.content.Context;
 import android.os.Binder;
 import android.os.Bundle;
 import android.system.Os;
-import android.util.Log;
 
 import androidx.annotation.Keep;
 import androidx.annotation.Nullable;
@@ -62,7 +61,6 @@ public class DebugTestInformationHandler extends TestInformationHandler {
                 public void onActivityCreated(Activity activity, Bundle bundle) {
                     sActivities.put(activity, true);
                     ++sActivitiesCreatedCount;
-                    Log.d(TestProtocol.FLAKY_ACTIVITY_COUNT, "onActivityCreated", new Exception());
                 }
 
                 @Override