Version bump to RD1A.200409.004 [core/build_id.mk]

Change-Id: Ib2a517e3ce54754ac4f6294f7a1f3fec7ca6b6f2
diff --git a/core/build_id.mk b/core/build_id.mk
index 2bea2ab..65b0621 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=RD1A.200409.003
+BUILD_ID=RD1A.200409.004