[Testing Display Performance](https://developer.android.com/preview/testing/performance.html) link is not working on https://codelabs.developers.google.com/codelabs/android-perf-testing/index.html?index=..%2F..%2Findex#9, I guess this has been moved to https://developer.android.com/topic/performance/index.html 
Testing Display Performance link is not working on https://codelabs.developers.google.com/codelabs/android-perf-testing/index.html?index=..%2F..%2Findex#9, I guess this has been moved to https://developer.android.com/topic/performance/index.html