manifest: add omni external/selinux

Change-Id: Id58870ddf6520e9e3b17b4f433eafceb7448ddbb

omni-aosp.xml

@@ -27,6 +27,7 @@
   <project path="development" name="android_development" remote="omnirom" revision="android-8.0" groups="pdk-cw-fs,pdk-fs" />
 
   <project path="external/tinycompress" name="android_external_tinycompress" remote="omnirom" revision="android-8.0" />
+  <project path="external/selinux" name="android_external_selinux" remote="omnirom" revision="android-8.0" />
 
   <project path="frameworks/av" name="android_frameworks_av" remote="omnirom" revision="android-8.0" />
   <project path="frameworks/base" name="android_frameworks_base" remote="omnirom" revision="android-8.0" />

remove.xml

@@ -56,6 +56,7 @@
   <remove-project name="platform/external/libnfnetlink" />
   <remove-project name="platform/external/libnetfilter_conntrack" />
   <remove-project name="platform/external/tinycompress" />
+  <remove-project name="platform/external/selinux" />
 
   <remove-project name="platform/frameworks/av" />
   <remove-project name="platform/frameworks/base" />