Version bump to PD1A.180628.002

Change-Id: Idd3fa333e5c4f85fb058dbe6843963fd0631a1c3
diff --git a/core/build_id.mk b/core/build_id.mk
index ba13c32..4ddf6f0 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.180628.001
+export BUILD_ID=PD1A.180628.002