Version bump to SP2A.210219.004 [core/build_id.mk]

Change-Id: I28a5c0b5e4aa56f3c85424cbd9d6c4a8c556cc8a
diff --git a/core/build_id.mk b/core/build_id.mk
index 0983b8e..eb0d53f 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=SP2A.210219.003
+BUILD_ID=SP2A.210219.004