Version bump to RD1A.200402.004 [core/build_id.mk]

Change-Id: I0c6f211d9a92df9bf203f92ad28b4805af2552b1
diff --git a/core/build_id.mk b/core/build_id.mk
index 31af7de..e33c743 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.200402.003
+BUILD_ID=RD1A.200402.004