Version bump to BP1A.250405.006.A1 [core/build_id.mk]

Change-Id: I87e961db0897d48c869c468a39feb88717b105b8
diff --git a/core/build_id.mk b/core/build_id.mk
index 9e14778..c4d70dc 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.250405.006
+BUILD_ID=BP1A.250405.006.A1