DO NOT MERGE - Change PLATFORM_VERSION from MNC to M

Goodbye to the cookie...

Change-Id: I0474115250411ccdfbdc769c6a464f9dbc460e8f
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index c36d690..d325fd3 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 := MNC
+  PLATFORM_VERSION := M
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"