Version bump to QP1A.190502.004 [core/build_id.mk]

Change-Id: I995c6235211e0c06353df455c3303635d3047421
diff --git a/core/build_id.mk b/core/build_id.mk
index 7c37513..6b08a86 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.190502.003
+BUILD_ID=QP1A.190502.004