Version bump to RP1A.190912.002 [core/build_id.mk]

Change-Id: I1931662afe554878cd177fbf2b5abc39cfb989f5
diff --git a/core/build_id.mk b/core/build_id.mk
index 5fa0b81..3a0b0a5 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.190912.001
+BUILD_ID=RP1A.190912.002