Version bump to RQ1C.201205.013 [core/build_id.mk]

Change-Id: Idd9c44478dd873c5d5fd23112f1f3602003b75a5
diff --git a/core/build_id.mk b/core/build_id.mk
index 551379f..e4de127 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=RQ1C.201205.012
+BUILD_ID=RQ1C.201205.013