manifest: track our own packages/modules/DnsResolver

Change-Id: I7016289af1887fdd8daeaf8d8eaff87f407675e3
diff --git a/omni-aosp.xml b/omni-aosp.xml
index 438864d..ad36b33 100644
--- a/omni-aosp.xml
+++ b/omni-aosp.xml
@@ -52,4 +52,5 @@
     <project path="system/vold" name="android_system_vold" remote="omnirom" revision="android-12.1" />
 
     <project path="prebuilts/gas/linux-x86" name="platform/prebuilts/gas/linux-x86" groups="pdk,linux,x86" clone-depth="1" remote="aosp" revision="592150fc8ae9f48f2e73f390961f32ca6f5f6a9f" />
+    <project path="packages/modules/DnsResolver" name="android_packages_modules_DnsResolver" remote="omnirom" revision="android-12.1" />
 </manifest>