DO NOT MERGE.  Bump version to 5.0.2.

Change-Id: Ia6426dd03ac3b51061429b7da36e317bd3503775
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 36e4e98..abfa072 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -41,7 +41,7 @@
   # which is the version that we reveal to the end user.
   # Update this value when the platform version changes (rather
   # than overriding it somewhere else).  Can be an arbitrary string.
-  PLATFORM_VERSION := 5.0.1
+  PLATFORM_VERSION := 5.0.2
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"