Version bump to PPR1.180212.001

Change-Id: I22c811d5b2e7f3bf234429c084f6e7f7d2d70a1e
diff --git a/core/build_id.mk b/core/build_id.mk
index 977d585..b0b1212 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=PPR1.180211.001
+export BUILD_ID=PPR1.180212.001