manifest: switch to vendor/omni

Change-Id: I32d7171459351ae19e2f5e55f5f66eece9e9b935

default.xml

@@ -407,6 +407,6 @@
   <project path="tools/idea" name="platform/tools/idea" groups="notdefault,tools" />
   <project path="tools/motodev" name="platform/tools/motodev" groups="notdefault,motodev" />
   <project path="tools/swt" name="platform/tools/swt" groups="notdefault,tools" />
-  <project path="vendor/custom" name="android_vendor_custom" remote="omnirom" revision="android-4.3" />
+  <project path="vendor/omni" name="android_vendor_omni" remote="omnirom" revision="android-4.3" />
   <project path="packages/apps/MonthCalendarWidget" name="android_packages_apps_MonthCalendarWidget" remote="omnirom" revision="android-4.3" />
 </manifest>