Update debugger-frontend from 486803f...7727db8

Summary:
NOTE: This update is significant, as it includes the frontend repo sync with `chromium/6613` (facebookexperimental/rn-chrome-devtools-frontend#144).

Changelog: [Internal] - Update `react-native/debugger-frontend` from 486803f...7727db8

Resyncs `react-native/debugger-frontend` from GitHub - see `rn-chrome-devtools-frontend` [changelog](facebookexperimental/rn-chrome-devtools-frontend@486803f...7727db8).

Differential Revision: D67402065

packages/debugger-frontend/BUILD_INFO

@@ -1,5 +1,5 @@
-@generated SignedSource<<cecad43da3fd917e15322ee3efbed875>>
-Git revision: 486803f6bf272e0629297265dee8048a2f1269dd
+@generated SignedSource<<890c168c017f387915457465e90400e9>>
+Git revision: 7727db85ac767cf41cce3e9ee54d27e97b2637f9
 Built with --nohooks: false
 Is local checkout: false
 Remote URL: https://github.com/facebookexperimental/rn-chrome-devtools-frontend

packages/debugger-frontend/dist/third-party/front_end/Tests.js

@@ -942,7 +942,7 @@
 
     function step1() {
       testPreset(
-          MobileThrottling.networkPresets[2],
+          MobileThrottling.networkPresets[3],
           [
             'offline event: online = false', 'connection change event: type = none; downlinkMax = 0; effectiveType = 4g'
           ],
@@ -951,7 +951,7 @@
 
     function step2() {
       testPreset(
-          MobileThrottling.networkPresets[1],
+          MobileThrottling.networkPresets[2],
           [
             'online event: online = true',
             'connection change event: type = cellular; downlinkMax = 0.3814697265625; effectiveType = 2g'
@@ -960,9 +960,15 @@
     }
 
     function step3() {
+      testPreset(
+          MobileThrottling.networkPresets[1],
+          ['connection change event: type = cellular; downlinkMax = 1.373291015625; effectiveType = 3g'], step4);
+    }
+
+    function step4() {
       testPreset(
           MobileThrottling.networkPresets[0],
-          ['connection change event: type = cellular; downlinkMax = 1.373291015625; effectiveType = 3g'],
+          ['connection change event: type = cellular; downlinkMax = 7.724761962890625; effectiveType = 4g'],
           test.releaseControl.bind(test));
     }
   };