Version bump to RP1A.190730.002 [core/build_id.mk]

Change-Id: Iccb61ff355efbbbd40479f2a5b931b4cc0ad95f7
diff --git a/core/build_id.mk b/core/build_id.mk
index 1ebc368..0fa6b1d 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.190730.001
+BUILD_ID=RP1A.190730.002