Incrementing VERSION to 85.0.4153.2

TBR=pbommana@chromium.org

Change-Id: I0f65dda5dce56ce73e4481b55ca4db3449def365
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2213846
Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/branch-heads/4153@{#5}
Cr-Branched-From: 2770346-refs/heads/master@{#771352}

chrome/VERSION

@@ -1,4 +1,4 @@
 MAJOR=85
 MINOR=0
 BUILD=4153
-PATCH=1
+PATCH=2