Incrementing VERSION to 70.0.3521.2

TBR=amineer@chromium.org

Change-Id: Ia19b7d61b4e5b7851d8d7f6fece297ba9c07f72e
Reviewed-on: https://chromium-review.googlesource.com/1173693
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3521@{#5}
Cr-Branched-From: d6179b49f9ac994d10e56e18e35c551879ecc4be-refs/heads/master@{#582483}
diff --git a/chrome/VERSION b/chrome/VERSION
index 75e3518..7bf399d 100644
--- a/chrome/VERSION
+++ b/chrome/VERSION
@@ -1,4 +1,4 @@
 MAJOR=70
 MINOR=0
 BUILD=3521
-PATCH=1
+PATCH=2