Version bump to PPR1.180201.002

Change-Id: Ifa4e42c29d547e954f7000039b9c8925a942a507
diff --git a/core/build_id.mk b/core/build_id.mk
index 81e6e05..ca3f0e1 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=PPR1.180201.001
+export BUILD_ID=PPR1.180201.002