Version bump to QP1A.190502.002 [core/build_id.mk]

Change-Id: Ib792ad16697573645ea238cef0c2b947a2977d50
diff --git a/core/build_id.mk b/core/build_id.mk
index d04b622..d3124be 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.190502.001
+BUILD_ID=QP1A.190502.002