Version bump to BP1A.250405.003.A1 [core/build_id.mk]

Change-Id: I4b4b690e89edb4daee1b96b4100889be240de978
diff --git a/core/build_id.mk b/core/build_id.mk
index b5240b7..92bd372 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=BP1A.250405.003
+BUILD_ID=BP1A.250405.003.A1