Make scheduler debugging feature flag static

Author: acdlite

packages/shared/ReactFeatureFlags.js

@@ -36,7 +36,7 @@ export const enableSchedulerTracing = __PROFILE__;
 export const enableSuspenseServerRenderer = false; // TODO: __DEV__? Here it might just be false.
 
 // Only used in www builds.
-export const enableSchedulerDebugging = __DEV__;
+export const enableSchedulerDebugging = false;
 
 // Only used in www builds.
 export function addUserTimingListener() {

packages/shared/forks/ReactFeatureFlags.www.js

@@ -34,7 +34,7 @@ export let enableUserTimingAPI = __DEV__;
 
 export const enableProfilerTimer = __PROFILE__;
 export const enableSchedulerTracing = __PROFILE__;
-export const enableSchedulerDebugging = __DEV__; // TODO or just true
+export const enableSchedulerDebugging = true;
 
 export const enableStableConcurrentModeAPIs = false;