Version bump to PQ3B.190408.012

Change-Id: I8ad1d313a887694960f0fc7cdefd5043f5652148
diff --git a/core/build_id.mk b/core/build_id.mk
index 6b97070..6c45126 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.
 
-export BUILD_ID=PQ3B.190408.011
+export BUILD_ID=PQ3B.190408.012