Starting snapshot 2.7.0-SNAPSHOT

Change-Id: I20289f264e33b99e8ef073a8e6384857383a4e65
diff --git a/tools/build/bazel/variables.bzl b/tools/build/bazel/variables.bzl
index f17947b..02a49c7 100644
--- a/tools/build/bazel/variables.bzl
+++ b/tools/build/bazel/variables.bzl
@@ -1,4 +1,4 @@
-ONOS_VERSION = "2.6.0-SNAPSHOT"
+ONOS_VERSION = "2.7.0-SNAPSHOT"
 ONOS_ARTIFACT_BASE = "onos-"
 ONOS_GROUP_ID = "org.onosproject"
 ONOS_ORIGIN = "ONOS Community"