Change PLATFORM_VERSION and PLATFORM_VERSION_CODENAME to KKWT.

Change PLATFORM_VERSION and PLATFORM_VERSION_CODENAME to KKWT, as discussed.

Change-Id: Ia2d8628c4e9ee6b3cf654c8bdfc966a4af5c573c
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 99283b0..4929abb 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 := 4.4.2
+  PLATFORM_VERSION := KKWT
 endif
 
 ifeq "" "$(PLATFORM_SDK_VERSION)"
@@ -59,7 +59,7 @@
 ifeq "" "$(PLATFORM_VERSION_CODENAME)"
   # This is the current development code-name, if the build is not a final
   # release build.  If this is a final release build, it is simply "REL".
-  PLATFORM_VERSION_CODENAME := REL
+  PLATFORM_VERSION_CODENAME := KKWT
 endif
 
 ifeq "" "$(DEFAULT_APP_TARGET_SDK)"