Version 2.15.0

Merge '2.15.0-268.18.beta' into stable
diff --git a/tools/VERSION b/tools/VERSION
index e37b1dd..b85398b 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL beta
+CHANNEL stable
 MAJOR 2
 MINOR 15
 PATCH 0
-PRERELEASE 268
-PRERELEASE_PATCH 18
\ No newline at end of file
+PRERELEASE 0
+PRERELEASE_PATCH 0
\ No newline at end of file