Option to disable profiling and task timeline (#10414)

python/ray/includes/ray_config.pxd

@@ -64,3 +64,5 @@ cdef extern from "ray/common/ray_config.h" nogil:
         uint32_t max_tasks_in_flight_per_worker() const
 
         uint64_t metrics_report_interval_ms() const
+
+        c_bool enable_timeline() const

python/ray/includes/ray_config.pxi

@@ -111,3 +111,7 @@ cdef class Config:
     @staticmethod
     def metrics_report_interval_ms():
         return RayConfig.instance().metrics_report_interval_ms()
+
+    @staticmethod
+    def enable_timeline():
+        return RayConfig.instance().enable_timeline()