Version bump to QP1A.181219.002

Change-Id: I1964e8d8d91e4c9ae7b0a782865ba66690f24e12
diff --git a/core/build_id.mk b/core/build_id.mk
index 01a7aaf..3993724 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=QP1A.181219.001
+BUILD_ID=QP1A.181219.002