Version bump to QD1A.190520.002 [core/build_id.mk]

Change-Id: If3dbbbc1e92b651cafc3794396912d9a09257bd9
diff --git a/core/build_id.mk b/core/build_id.mk
index 2710fce..0adee19 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=QD1A.190520.001
+BUILD_ID=QD1A.190520.002