Make change and version bump to OPM2.171026.006.C1

Change-Id: Ia20b8e72f3595bfd14cbc2986dfb68dbb01a09c6
diff --git a/core/build_id.mk b/core/build_id.mk
index 18d3454..da0b643 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=OPM2.171026.006
+export BUILD_ID=OPM2.171026.006.C1