Version bump to SD1A.210616.004 [core/build_id.mk]

Change-Id: Ie5f95111e225aace5448db30a09ec93c9a3a248a
diff --git a/core/build_id.mk b/core/build_id.mk
index 7ef5015..4666486 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=SD1A.210616.003
+BUILD_ID=SD1A.210616.004