Version bump to QD1A.190821.006 [core/build_id.mk]

Change-Id: I739e42097ab7ef96e002358483182a1facffbf68
diff --git a/core/build_id.mk b/core/build_id.mk
index 1482af3..9511bb0 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.190821.005
+BUILD_ID=QD1A.190821.006