Version bump to RP1A.191216.002 [core/build_id.mk]

Change-Id: I4dd46054f77fa44b7e3f958dd85576b1571d9df6
diff --git a/core/build_id.mk b/core/build_id.mk
index 5de0bc3..9ee600c 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=RP1A.191216.001
+BUILD_ID=RP1A.191216.002