Version bump to PD1A.180621.002

Change-Id: Iff8e160db107bbbab740236b0dec90bd069046ac
diff --git a/core/build_id.mk b/core/build_id.mk
index b50835d..b07aa30 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=PD1A.180621.001
+export BUILD_ID=PD1A.180621.002