Merge pull request swiftlang#68181 from apple/add-lit-time-test-args-toolchain-bot

Add time-tests to lit-args for toolchain bot preset

Author: swift-ci

utils/build-presets.ini

@@ -1396,6 +1396,8 @@ stress-test
 
 lldb-test-swift-only
 
+lit-args=-v --time-tests
+
 # Path to the .tar.gz package we would create.
 installable-package=%(installable_package)s