Add setting to disable latency recovery for tests

cc/scheduler/scheduler.cc

Index: cc/scheduler/scheduler.cc
diff --git a/cc/scheduler/scheduler.cc b/cc/scheduler/scheduler.cc
index a1a4c7b46e3be9c7af502a8a76bed946b4abfa3a..f07488e7610b0174089ec64f442223afcc99aa98 100644
--- a/cc/scheduler/scheduler.cc
+++ b/cc/scheduler/scheduler.cc
@@ -756,6 +756,9 @@ bool Scheduler::ShouldRecoverMainLatency(
     bool can_activate_before_deadline) const {
   DCHECK(!settings_.using_synchronous_renderer_compositor);
 
+  if (!settings_.enable_latency_recovery)
+    return false;
+
   // The main thread is in a low latency mode and there's no need to recover.
   if (!state_machine_.main_thread_missed_last_deadline())
     return false;
@@ -773,6 +776,9 @@ bool Scheduler::ShouldRecoverImplLatency(
     bool can_activate_before_deadline) const {
   DCHECK(!settings_.using_synchronous_renderer_compositor);
 
+  if (!settings_.enable_latency_recovery)
+    return false;
+
   // Disable impl thread latency recovery when using the unthrottled
   // begin frame source since we will always get a BeginFrame before
   // the swap ack and our heuristics below will not work.