see https://issuetracker.google.com/issues/359926651
from v129 upstream changed from dynamically-linked to static-linked

Thanks to iskunk

Disable precompiled headers because they are incompatible with the unsafe_buffers configuration

[AUTO][FILECONTROL] - version 129.0.6668.42

[AUTO] Patches auto-rebase for master branch

[AUTO][DOC] Generate patches doc for master branch

Rebase to v129

[AUTO] Patches auto-rebase for master branch

[AUTO][FILECONTROL] - version 128.0.6613.120

note: the blocking rules in the eyeo list by default do not evaluate the site for desktop platforms. for this reason, a new rule (currently ‘Cromite experimental filters’) was inserted

[AUTO][DOC] Generate patches doc for master branch

Override the MV2 deprecation: forces the use of the internal flag for forced activation of MV2 (#1404)

MV2 extensions are used internally for testing.
The assumption is that this way it can understand when MV2-related code is actually deleted.

Adds flag in GN to deactivate the check performed by some google build bots.
The flag is deactivated when generating the system webview with
skip_secondary_abi_for_cq=true in arm64.