Version bump to PPR1.180118.004

Change-Id: I2d723fa1d628bde6e400074a43cab509fcff52aa
diff --git a/core/build_id.mk b/core/build_id.mk
index 99b8049..2eedbb2 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=PPR1.180122.001
+export BUILD_ID=PPR1.180118.004