This changes builtin definition so that builtins are now located in GL
.text section, to maintain their alignment in the resulting binaries
and make sure the off-heap code is aligned to kCodeAlignment.

Change-Id: I4662ca59273fa2dd11e7ecf63969597b9dd9664b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3054431Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Milad Fa <mfarazma@redhat.com>
Commit-Queue: Vasili Skurydzin <vasili.skurydzin@ibm.com>
Cr-Commit-Position: refs/heads/master@{#75940}