Version bump to RD1A.200409.006 [core/build_id.mk]

Change-Id: Idac932ad308e2c8dca3eb357b0594aad51c75bf6
diff --git a/core/build_id.mk b/core/build_id.mk
index 906510a..d29d7cd 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.200409.005
+BUILD_ID=RD1A.200409.006