The new flag:
- enables --concurrent-inlining,
- disables --lazy-feedback-allocation,
- sets the interrupt budget to 15K.

Bug:v8:7790

Change-Id: Id236763f987a6b1309f0c43a2acd150c6e3723bb
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2652492
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#72429}