manifest: Use A15 branch for OmniControl

Change-Id: Ief0b2bb68dc948ce3a06188c715a159c67ef344f
diff --git a/omni-private.xml b/omni-private.xml
index 1bf7372..ef1e58f 100644
--- a/omni-private.xml
+++ b/omni-private.xml
@@ -8,7 +8,7 @@
   <project path="packages/apps/OmniSwitch" name="android_packages_apps_OmniSwitch" remote="omnirom2" revision="android-14.0" />
   <project path="packages/services/OmniJaws" name="android_packages_services_OmniJaws" remote="omnirom2" revision="android-15" />
   <project path="packages/apps/OmniRemote" name="android_packages_apps_OmniRemote" remote="omnirom2" revision="android-14.0" />
-  <project path="packages/apps/OmniControl" name="android_packages_apps_OmniControl" remote="omnirom2" revision="android-14.0" />
+  <project path="packages/apps/OmniControl" name="android_packages_apps_OmniControl" remote="omnirom2" revision="android-15" />
   <project path="packages/apps/OmniOta" name="android_packages_apps_OmniOta" remote="omnirom2" revision="android-14.0" />
   <project path="packages/apps/OmniWallpaper" name="android_packages_apps_OmniWallpaper" remote="omnirom2" revision="android-14.0" />
 </manifest>