Version bump to PD2A.190115.019

Change-Id: I306a643c53df27caa9bf46b9b862217e8f6aa323
diff --git a/core/build_id.mk b/core/build_id.mk
index 7a5a25a..5ed8689 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=PD2A.190115.018
+export BUILD_ID=PD2A.190115.019