Updating trunk VERSION from 3549.0 to 3550.0

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

Change-Id: I54ee7b0993650f57e768bb979b3c8df9c7841cf0
Reviewed-on: https://chromium-review.googlesource.com/1218223Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590183}

chrome/VERSION

 MAJOR=71
 MINOR=0
-BUILD=3549
+BUILD=3550
 PATCH=0