Incrementing VERSION to 55.0.2855.2

Cr-Commit-Position: refs/branch-heads/2855@{#2}
Cr-Branched-From: 1f84049641ac0f80af74361acd0ea0df338479c4-refs/heads/master@{#417475}
diff --git a/chrome/VERSION b/chrome/VERSION
index 657f63c..8496dcd 100644
--- a/chrome/VERSION
+++ b/chrome/VERSION
@@ -1,4 +1,4 @@
 MAJOR=55
 MINOR=0
 BUILD=2855
-PATCH=1
+PATCH=2