Version bump to RP1A.190912.003 [core/build_id.mk]

Change-Id: Ied33d76d59b95b86eb17288f5b6e63ce9009b1b8
diff --git a/core/build_id.mk b/core/build_id.mk
index 3a0b0a5..5afe8c7 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.190912.002
+BUILD_ID=RP1A.190912.003