Update GN to match the version used in V8 v9.2. (#1578)
Update GN to match the version used in V8 v9.2. (#1578)

Signed-off-by: Piotr Sikora <ba6f3a1a6d7e1ecae91b31e93969cc392fbd0fdd@google.com>
istio/tools,istio/tools,istio/tools,istio/tools,istio/tools,istio/tools