Version bump to SD1A.201204.002 [core/build_id.mk]

Change-Id: I6735a2ec95300c758122d980c831e76f4c50b8ab
diff --git a/core/build_id.mk b/core/build_id.mk
index 44fc61a..46e6966 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.201204.001
+BUILD_ID=SD1A.201204.002