Version bump to SD1A.210407.002 [core/build_id.mk]

Change-Id: I5edb38f51d0b0b18cd90aaa9ac2e87339b0784df
diff --git a/core/build_id.mk b/core/build_id.mk
index 6a31ee1..d2b2b90 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.210407.001
+BUILD_ID=SD1A.210407.002