default: Android 4.4.2_r2 (KVT49L)

Change-Id: I89f1364fde4adb856095c4581d0a246dd66b1f3c

default.xml

@@ -15,7 +15,7 @@
            review="gerrit.omnirom.org"
            fetch="https://github.com/omnirom" />
 
-  <default revision="refs/tags/android-4.4.2_r1"
+  <default revision="refs/tags/android-4.4.2_r2"
            remote="aosp"
            sync-j="4" />