Updating trunk VERSION from 3633.0 to 3634.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=mmoss@chromium.org

Change-Id: I042e2caf928b9a12422f14eccec3e8f33ead12d9
Reviewed-on: https://chromium-review.googlesource.com/c/1366874Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614580}

chrome/VERSION

 MAJOR=73
 MINOR=0
-BUILD=3633
+BUILD=3634
 PATCH=0