Version bump to BP1A.250305.019.W7 [core/build_id.mk]

Change-Id: Ibf4fa41e7dd7978afbe93e17493083a0f86ba647
diff --git a/core/build_id.mk b/core/build_id.mk
index f1b10ad..7a6e24f 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.250305.019.W6
+BUILD_ID=BP1A.250305.019.W7