Version bump to QP1A.180904.002

Change-Id: I484db021bc393bc7fe311fff4fca24f209b9f434
diff --git a/core/build_id.mk b/core/build_id.mk
index c3890f1..12befe9 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.180904.001
+BUILD_ID=QP1A.180904.002