Version bump to N4F27I

Change-Id: I38827d584bd872b627a8759902365ded53dc16d1
diff --git a/core/build_id.mk b/core/build_id.mk
index 717ec2c..1a21eab 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=N4F27H
+export BUILD_ID=N4F27I