omni-default: Use OmniChromium A14 branch with Git LFS setup

Change-Id: I29ba889e44cd5adcc56e37701be12597947178d0
diff --git a/omni-default.xml b/omni-default.xml
index 6a9522f..21f0733 100644
--- a/omni-default.xml
+++ b/omni-default.xml
@@ -26,7 +26,7 @@
 
   <project path="packages/apps/Matlog" name="android_packages_apps_Matlog" remote="omnirom" revision="android-14.0" />
   <project path="packages/apps/OmniLib" name="android_packages_apps_OmniLib" remote="omnirom" revision="android-14.0" />
-  <project path="packages/apps/OmniChromium" name="android_packages_apps_OmniChromium" remote="gitlab" revision="android-13.0" />
+  <project path="packages/apps/OmniChromium" name="android_packages_apps_OmniChromium" remote="gitlab" revision="android-14.0" />
   <project path="packages/apps/SimpleDeviceConfig" name="android_packages_apps_SimpleDeviceConfig" remote="omnirom" revision="android-13.0" />
 
   <project path="external/libvterm" name="platform/external/libvterm" groups="pdk" revision="2caab416f758b648c4034e9f22cb7b76c37203f0" />