Version bump to PPR1.180409.002

Change-Id: Iafdc362f63b93d4b92aa8a3bdfddfafe29a37b22
diff --git a/core/build_id.mk b/core/build_id.mk
index 5ecb0d1..3a27526 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=PPR1.180409.001
+export BUILD_ID=PPR1.180409.002