[vinn] Enable snapshots and update Mac d8 binary to 7.7.299.15
[vinn] Enable snapshots and update Mac d8 binary to 7.7.299.15

The binary was created by using configuration in update_v8:
```
gn gen out/Default \
--args="is_debug=false icu_use_data_file=false v8_use_external_startup_data=false v8_static_library=true"
```

R=56dd103d017ceadb708086e2f118997b62b54fda@chromium.org,dproy@chromium.org
CC=​​58bdb6276c01e3ed53e660bf706aa902204feb0d@chromium.org,perezju@chromium.org

Bug: chromium:1001953
Change-Id: Iba65d3e60603a09e47a7f23733bac84733303a63
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/1878748
Reviewed-by: Ulan Degenbaev <56dd103d017ceadb708086e2f118997b62b54fda@chromium.org>
Reviewed-by: Caleb Rouleau <58bdb6276c01e3ed53e660bf706aa902204feb0d@chromium.org>
Commit-Queue: Tamer Tas <1b3345e6f3c118404bb40472a7dd33de3021e8f2@chromium.org>
Auto-Submit: Tamer Tas <1b3345e6f3c118404bb40472a7dd33de3021e8f2@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult