Bump build id to 6.A.025.0

Change-Id: Ic32d7f22ddaff329de8ec7d9ab0b3b7759489d23
diff --git a/core/build_id.mk b/core/build_id.mk
index 348d0d5..50c41c6 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,6 +18,6 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-BUILD_ID=6.A.025
+BUILD_ID=6.A.025.0
 
 PLATFORM_BASE_OS=Fairphone/FP3/FP3:13/6.A.023.1/gms-497e9bef:user/release-keys