Version bump to SD1A.210129.002 [core/build_id.mk]

Change-Id: If61c0a309f41d2c75ed43ba65779279573b27ef2
diff --git a/core/build_id.mk b/core/build_id.mk
index 1ca3c8f..3929569 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=SD1A.210129.001
+BUILD_ID=SD1A.210129.002