Version bump to PPR1.171227.001

Change-Id: If69f7c679969ce8837371e51ffa9d51314d0c3eb
diff --git a/core/build_id.mk b/core/build_id.mk
index 2369aba..8c5096d 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=PPR1.171226.001
+export BUILD_ID=PPR1.171227.001