Version bump to QD1A.190821.014.C1 [core/build_id.mk]

Change-Id: If3393a3ee204bc2066443c8bc3905f6a4e079b39
diff --git a/core/build_id.mk b/core/build_id.mk
index e892a34..211476d 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.190821.014
+BUILD_ID=QD1A.190821.014.C1