manifest: bring back omnirom repos

hardware/qcom/audio
hardware/qcom/display
hardware/qcom/media
system/core
system/sepolicy
system/vold

omni-caf.xml

Change-Id: I165048603b2e6ef188407714971b4ce342fa00fa
diff --git a/omni-default.xml b/omni-default.xml
index 8f3ad23..f443ef2 100644
--- a/omni-default.xml
+++ b/omni-default.xml
@@ -7,6 +7,9 @@
   <!-- Include forked AOSP -->
   <include name="omni-aosp.xml" />
 
+  <!-- Include forked CAF -->
+  <include name="omni-caf.xml" />
+
   <!-- OmniROM Projects -->
   <project path="android" name="android" remote="omnirom" revision="android-8.0" />