Version bump to OPM1.170726.002

Change-Id: Ice04792d19ab5ac58b8d342445a26d8a165fe03e
diff --git a/core/build_id.mk b/core/build_id.mk
index cb31364..805434b 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=OPM1.170726.001
+export BUILD_ID=OPM1.170726.002