Version bump to PPRL.181205.001

Change-Id: I9174bab704afa3ff85be5236be16d15f66446bb4
diff --git a/core/build_id.mk b/core/build_id.mk
index 935ab68..67c2a1f 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.
 
-export BUILD_ID=PPRL.181205.006
+export BUILD_ID=PPRL.181205.001