Version bump to QP1A.190307.004

Change-Id: I0ecc0af5eee8505ea4af65dbdfa6cf2c24654a3f
diff --git a/core/build_id.mk b/core/build_id.mk
index 481a9c3..1f9868c 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.190307.003
+BUILD_ID=QP1A.190307.004