The commit updates the way the usage is printed for cctest to make use
of HelpOptions which allows the usage string to be passed into
SetFlagsFromCommandLine function.

Change-Id: I8dcd48ca8bb7b025f77c0f05ab37ce4f7b6fae04
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2402032Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Toon Verwaest <verwaest@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69839}