Version bump to BP1A.250505.003.C1 [core/build_id.mk]

Change-Id: If5c2268f670a83464db646e35430aace19fd7d63
diff --git a/core/build_id.mk b/core/build_id.mk
index 72600bd..2654432 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.250505.003
+BUILD_ID=BP1A.250505.003.C1