Version 2.19.0-278.0.dev

Merge 99f60a5e662a7951dd5ab3bf0d4ba76e2d18db5d into dev
diff --git a/tools/VERSION b/tools/VERSION
index 25c77d6..3136cd6 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -23,9 +23,9 @@
 #  * Making cherry-picks to stable channel
 #     - increase PATCH by 1
 #
-CHANNEL be
+CHANNEL dev
 MAJOR 2
 MINOR 19
 PATCH 0
-PRERELEASE 0
+PRERELEASE 278
 PRERELEASE_PATCH 0