Version bump to PPR1.180510.004

Change-Id: I25393c32c17e57951b60733069c86125651c013c
diff --git a/core/build_id.mk b/core/build_id.mk
index c93d055..2614e88 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=PPR1.180510.003
+export BUILD_ID=PPR1.180510.004