Make change and version bump to QQ2A.200401.001

Change-Id: Idc91fb202e6524ec033984a0304cf4664c141172
diff --git a/core/build_id.mk b/core/build_id.mk
index 51f67cf..1f92992 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=QQ2A.200305.004
+BUILD_ID=QQ2A.200401.001