Incrementing VERSION to 69.0.3457.2

TBR=mmoss@chromium.org

Change-Id: I57769a476068c722155722b28ad520d01caa2f14
Reviewed-on: https://chromium-review.googlesource.com/1099879
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3457@{#5}
Cr-Branched-From: 5f734e3228cd68c306c7870cfd4e8ae9a56e41cb-refs/heads/master@{#566678}
1 file changed