Version bump to QP1A.190509.004 [core/build_id.mk]

Change-Id: I3918e6e009b24b882d1dcdada5499a7336becff8
diff --git a/core/build_id.mk b/core/build_id.mk
index bb86bf5..8fb077b 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.190509.003
+BUILD_ID=QP1A.190509.004