Version bump to BP2A.250605.031 [core/build_id.mk]

Change-Id: I7360e8b6de38708562d059a5e9c3a927d20273ad
diff --git a/core/build_id.mk b/core/build_id.mk
index 2208080..18f6539 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=BP2A.250605.030
+BUILD_ID=BP2A.250605.031