Version bump to QP1A.180820.002

Change-Id: I17f2b3d09c27a037354c73ea1e45e3f0b26c737e
diff --git a/core/build_id.mk b/core/build_id.mk
index d3aa662..bc726da 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=QP1A.180820.001
+BUILD_ID=QP1A.180820.002