android: a few more 8.1 changes

Change-Id: If105898d004295e5b42ca6ebda389e835d089f2b

README.md

@@ -7,7 +7,7 @@ You can send patches by using these commands:
     <make edits>
     git add -A
     git commit -m "commit message"
-    git push ssh://<username>@gerrit.omnirom.org:29418/<project> HEAD:refs/for/android-8.0
+    git push ssh://<username>@gerrit.omnirom.org:29418/<project> HEAD:refs/for/android-8.1
 
 Register at <gerrit.omnirom.org> and use the username that you registered there in the above command
 
@@ -58,7 +58,7 @@ familiar with [Git and Repo](https://source.android.com/source/using-repo.html).
 
 To initialize your local repository using the OmniROM trees, use a command like this:
 
-    repo init -u git://github.com/omnirom/android.git -b android-8.0
+    repo init -u git://github.com/omnirom/android.git -b android-8.1
 
 Then to sync up:
 

omni-default.xml

@@ -11,7 +11,7 @@
   <include name="omni-caf.xml" />
 
   <!-- OmniROM Projects -->
-  <project path="android" name="android" remote="omnirom" revision="android-8.0" />
+  <project path="android" name="android" remote="omnirom" revision="android-8.1" />
 
   <project path="vendor/omni" name="android_vendor_omni" remote="omnirom" revision="android-8.1" />