Updating from 2.35.0-dev.15 to 2.35.0-dev.16 (#7652)

Automated Version Bump

Author: DartDevtoolWorkflowBot

packages/devtools_app/lib/devtools.dart

@@ -9,4 +9,4 @@
 // the constant declaration `const String version =`.
 // If you change the declaration you must also modify the regex in
 // tools/update_version.dart.
-const String version = '2.35.0-dev.15';
+const String version = '2.35.0-dev.16';

packages/devtools_app/pubspec.yaml

@@ -4,7 +4,7 @@ publish_to: none
 
 # Note: this version should only be updated by running tools/update_version.dart
 # that updates all versions of devtools packages (devtools_app, devtools_test).
-version: 2.35.0-dev.15
+version: 2.35.0-dev.16
 
 repository: https://github.com/flutter/devtools/tree/master/packages/devtools_app