Version bump to QP1A.190401.002

Change-Id: Id0ee743c904a959941b4e80260a721335509ffc6
diff --git a/core/build_id.mk b/core/build_id.mk
index bc9400a..08f16dc 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.190401.001
+BUILD_ID=QP1A.190401.002