Incrementing VERSION to 73.0.3683.19

TBR=kariah@chromium.org

Change-Id: I8b9f9eff5ba3d2b61a8e85c82e8cb5315659d106
Reviewed-on: https://chromium-review.googlesource.com/c/1452358
Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/branch-heads/3683@{#160}
Cr-Branched-From: e51029943e0a38dd794b73caaf6373d5496ae783-refs/heads/master@{#625896}
diff --git a/chrome/VERSION b/chrome/VERSION
index 16d3d37b..2933e7d 100644
--- a/chrome/VERSION
+++ b/chrome/VERSION
@@ -1,4 +1,4 @@
 MAJOR=73
 MINOR=0
 BUILD=3683
-PATCH=18
+PATCH=19