Version bump to PPR1.171102.002

Change-Id: I66c0f943b0c6bfa2106f0904896a9f709e27fac5
diff --git a/core/build_id.mk b/core/build_id.mk
index 6d7951f..7d424f2 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=PPR1.171102.001
+export BUILD_ID=PPR1.171102.002