Version bump to QP1A.180918.002

Change-Id: Ia1dc1fb8fd77baca908790dcb192febaaa75f7d0
diff --git a/core/build_id.mk b/core/build_id.mk
index 087a3eb..a9b5897 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.
 
-BUILD_ID=QP1A.180918.001
+BUILD_ID=QP1A.180918.002