platform_manifest_twrp_omni/omni-caf.xml

<?xml version="1.0" encoding="UTF-8"?>
<manifest>

  <remote  name="github"
           fetch="https://github.com/" />

  <remote  name="omnirom"
           fetch="https://github.com/omnirom"
           review="gerrit.omnirom.org" />

  <project path="external/libnetfilter_conntrack" name="android_external_libnetfilter_conntrack" remote="omnirom" revision="android-9.0" />
  <project path="external/libnfnetlink" name="android_external_libnfnetlink" remote="omnirom" revision="android-9.0" />
  <project path="hardware/ril" name="android_hardware_ril" remote="omnirom" revision="android-9.0" />
  <project path="vendor/codeaurora/telephony" name="android_vendor_codeaurora_telephony" remote="omnirom" revision="android-9.0" />
</manifest>